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Contact Name
Saprizal Hadisaputra
Contact Email
rizal@unram.ac.id
Phone
+6287738066422
Journal Mail Official
pijarmipa@unram.ac.id
Editorial Address
Univesitas Mataram. Jalan Majapahit No 62 Mataram, Lombok, NTB. 83125. Indonesia
Location
Kota mataram,
Nusa tenggara barat
INDONESIA
Jurnal Pijar MIPA
Published by Universitas Mataram
ISSN : 19071744     EISSN : 24601500     DOI : -
Core Subject : Science, Education,
Jurnal Pijar MIPA (e-ISSN: 2460-1500 & p-ISSN: 1907-1744) is an open-access scientific periodical journal published by the Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA publishes original articles on current issues and trends in mathematics-science-science education studies. In addition, this journal addresses issues concerning environmental education and environmental science. The journal scopes are: a. Physics and Physics Education b. Chemistry and Chemistry Education c. Biology and Biology Education d. Natural Science and Science Education e. Mathematics and Mathematics Education f. Environmental and Environmental Education
Arjuna Subject : Umum - Umum
Articles 30 Documents
Search results for , issue "Vol. 20 No. 3 (2025)" : 30 Documents clear
Analysis of Students Questioning Skills on Science Learning Outcomes at Junior High School Subiantoro, Wisnu Rizki; Yulinda, Ratna; Sauqina, Sauqina
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8905

Abstract

The questioning skill ability is essential for students to promote science learning outcomes. This study aims to analyze students' questioning skills towards cognitive science learning outcomes. There are two students' questioning skills studied, namely factual questions and amazement. This study uses a quantitative descriptive method with data collection techniques through observation, learning outcome tests, and documentation. Observations of questioning skills are observed based on four group categories, namely factual, amazement, both questions and no questions. The results of the study showed that students who actively asked questions, especially factual and amazement types of questions, had higher cognitive learning outcomes than students who did not ask questions. The group of students with factual questions and asking both questions experienced a significant increase in learning outcome scores, while the group of students who did not ask questions and students who were only surprised experienced a small increase. Based on the learning outcome scores of students in the four question groups, it is important for students to ask a lot of questions in order to increase the achievement of cognitive science learning outcomes. This study indicates that students' questioning skills are related to student learning outcomes. The more active students ask questions, and the more varied the types of questions asked, the greater the increase in student learning outcomes. The many variations of questions asked by students are the key to deepening understanding. Students can improve their learning outcomes in a deeper and more meaningful learning process by asking many questions. This study reinforces the importance of the teacher's role in encouraging students to ask more questions during the learning process by providing appropriate motivation and treatment.
Implementation of Interactive Learning Media Based on Virtual Laboratory to Improve Students Science Literacy Skills Daud, Manda Nur Aisia; Abdjul, Tirtawaty; Payu, Citron S.; Ntobuo, Nova Elysia; Odja, Abdul Haris; Nurhayati, Nurhayati
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8909

Abstract

Virtual laboratories based on computers allow students to conduct practical work or experiments with real phenomena or laboratory equipment sets. This study aims to test the implementation of interactive learning media based on virtual laboratories on the topic of substances and their changes to students' scientific literacy skills. This study was conducted in class VII of SMP Negeri 1 Tilongkabila and SMP Negeri 4 Tilamuta in the 2024/2025 Academic Year. The research design used A one-group pre-test and a post-test design involving three classes as samples. The study results showed a significant increase in students' scientific literacy skills after treatment using virtual laboratory media based on PhET Simulation. PhET Simulation media allow students to conduct experiments virtually, improving students' understanding of abstract concepts and thinking skills. The results indicate this through the hypothesis testing criteria where T-count ≥ T-table with a level of ∝ = 0.05 for the experimental and replication classes 1 in each school; therefore, H0 is rejected, and H1 is accepted. So, it can be concluded that there is an effect of implementing interactive learning media based on a virtual laboratory on the scientific literacy skills of junior high school students on the topic of substances and their changes. Meanwhile, normalized gain for all sample classes, both experimental and replication, which are in the high category, in the experimental class at SMP Negeri 1 Tilongkabila (0.75), the experimental class at SMP Negeri 4 Tilamuta (0.79) and the replication class 1 (0.83). So, it can be concluded that there is an effect of implementing interactive learning media based on a virtual laboratory on the scientific literacy skills of junior high school students on the topic of substances and their changes.
Development of Video Clips of Childrens Song about Food Chain to Increase Students’ IPAS Learning Outcome Wijaya, Bijak Samuel; Andaryani, Eka Titi
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8910

Abstract

Abstract concepts in learning materials often become a challenge for students in understanding the concepts of the material, such as the food chain material in IPAS learning. This research developed audiovisual media in the form of video clips of children's songs, which were developed using the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model, with the aim of increasing students' understanding as measured by increasing their learning outcomes. The stages of this research include needs analysis, media design, product development, implementation, and evaluation of media effectiveness. Children's song video clip media was proven suitable for use after going through a validity test with a score of 92.1% from material experts and 91.25% from media experts. The increase in learning outcomes is evidenced by the increase in pretest and posttest results, with an average of 73.57 to 84.29 in the small group and an average of 70.25 to 80.75 in the large group. A positive response was also obtained in this study, with a score of 97.5% from the teacher response questionnaire and 90.91% from the student response questionnaire. In addition, this study was considered successful because the t-test obtained a Sig. (2-tailed) or significance value of 0.000 in both small and large groups, which means that the pretest and posttest were significant, because the significance value was less than 0.05, then in the N-Gain test, a value of 0.4170 was obtained in the small group and 0.3617 in the large group. Both scores indicate that the effectiveness of learning is in the medium category, because the N-Gain test value obtained in both small and large groups is in the range of 0.3-0.7. The results of this research conclude that the combination of audio media in the form of songs and visual media in the form of video clips can be a solution in overcoming low levels of understanding and improving learning outcomes in the learning process, especially for food chain material.
The Effect of Body Weight Variations on Specific Absorption Rate (SAR) Values and Body Temperature in MRI Examination: A Review Hasbi, Nurul Auliyaa; Amir, Asmiati; Yunus, Muhammad
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8922

Abstract

MRI examinations use a radiofrequency pulse (RF), which is absorbed by the body when the electromagnetic field is emitted. This is called the specific absorption rate (SAR) effect, which is defined as the heat absorbed per mass of tissue. The type of research uses a systematic literature review or Literature Review with a qualitative approach, with inclusion criteria for publication journals that discuss the effect of body weight on SAR values ​​and changes in body temperature on MRI, as well as journals using retrospective data as clinical and quasi-experimental studies using patients or phantoms. Data processing is carried out by tabulating journals. Data is analysed descriptively and synthesizing research results, the results of which are reported narratively and are systematic, clear, comprehensive, by identifying, analysing, and evaluating through the collection of existing data with explicit search methods and involving a critical review process in selecting studies by aggregating data based on facts with a medical approach. The ten journals the author used have the same results. The results obtained from journals using variations in body weight that are classified as thin body weight (40-49 Kg) have lower SAR values ​​than patients who are classified as normal weight (50-59 Kg) and patients with fat body weight (60-69 Kg) and patients with Obese weight (70-79 Kg) have SAR values ​​far above the SAR value in patients with normal bodies. This proves that body weight will affect the amount of RF absorbed by the body, causing tissue heating, which causes an increase in SAR values. Weight gain can affect the increase in SAR values ​​because the heavier the object, the greater the amplitude of the RF emitted, causing heating in the tissue, causing the SAR value to increase. An increase in body temperature can affect the increase in SAR values ​​because RF absorption will interact with body water molecules to increase movement, equivalent to a rise in energy that will increase body temperature, due to tissue heating. There is an influence of body weight variation on the SAR value which shows that the amount of body weight determines the amount of RF emitted so that the body will absorb a lot, and there is an influence of body weight variation on the increase in body temperature which shows that if the body has a lot of fat, the fat in the subcutaneous tissue can maintain the temperature, both hot and cold and has an effect on RF radiofrequency exposure which adjusts to the surface of the object.
Improving IPAS Learning Outcome using the Problem-Based Learning Model in Elementary School Kause, Migdes Christianto; Sunbanu, Halani F.; Selan, Yefris A.; Maulana, Reza
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8930

Abstract

The low level of Mastery of Minimum Competencies among students is caused by students still experiencing difficulties in developing their critical thinking skills. In classroom learning, students still have difficulty understanding literacy and numeracy.  The aim of this research is to determine the increase in the ability to master minimum competencies in elementary school students using the Problem-Based Learning model. The method used in this research is quantitative research, with an experimental research design. The experimental method has several designs, one of which is the quasi-experimental method (quasi-experimental). The sample in this research was students at Cibadak Elementary School, Bogor.  The sampling technique used is non-random sampling, where the research sample is taken not at random. The research results show that there is an increase in students' mastery of minimum competencies by using the Problem-Based Learning model. This is shown by the calculated t value obtained being greater than the t table with the calculated T value of 2.46, while the T table value is 1.65; this result shows that there is an increase in the use of the PBL model in improving students' Minimum Competency Assessment (MCA) abilities. Meanwhile, the results of calculating the N-Gain value obtained a value of 0.73% in the high category. This is because the use of the Problem-Based Learning model can facilitate students to be actively involved in learning, so that students' understanding of literacy and numeracy questions can increase.
Toxicity of the Heavy Metal Lead (Pb) on the Development of Tilapia Fish Prolarvae (Oreochromis niloticus L.) Harlis, Wa Ode; Malik, Nurhayu; Febrianto, Febrianto; Resman, Resman
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8936

Abstract

The heavy metal lead (Pb) entering the water has a negative impact on aquatic animals, one of which is tilapia (Oreochromis niloticus L.). The accumulation of lead (Pb) can disrupt the spawning process, cause morphological anomalies, and increase the mortality of tilapia sperm. This study was conducted to determine the toxicity of Lead (Pb) metal on the development of prolarvae of tilapia (Oreochromis niloticus L.). This research is a type of experimental research that is structured based on a Randomized Block Design (RBD) pattern, totalling 6 tilapia fish consisting of 3 male tilapia and 3 female tilapias. Tilapia eggs are obtained by injecting male and female broodstock using the hormone Ovaprim twice to stimulate gonadal maturity, after which fertilization is carried out, namely the merger between fish sperm cells and eggs in the container. After the eggs and sperm cells are fertilized, all eggs are divided into 5 treatments, and each treatment is filled with 20 eggs. The treatments consisted of control and 4 concentrations of Lead (Pb), namely 0.15 mg/L (P1), 0.30 mg/L (P2), 0.45 mg/L (P3), 0.50 mg/L (P4). Exposure to Lead (Pb) was given for 3 days, and observations were made after the eggs entered the prolarva stage to determine the degree of abnormality and various forms of abnormality. The observation parameter was the formation of abnormal types at the prolarvae stage. Data were analyzed using one-way ANOVA (Analysis of Variance) with a 95% confidence level and an LSD further test. The research results showed that the percentage of abnormalities in treatment P1 was 26.67%, P2 was 45%, P3 was 73.33%, and P4 was 83.33%. The abnormalities found were lordosis, kyphosis, scoliosis, yolk deformation accompanied by lordosis of the tail tip, and enlarged anterior yolk sac. Based on the results of the study, it is concluded that exposure to Lead (Pb) is toxic to tilapia larvae. It is hoped that the results of this research will provide input for the government and society regarding the importance of maintaining water quality from pollution
Development of Interactive E-Modules Based on Problem Based Learning on the Material of Human Sight and Hearing Senses Berliana, Chyntia; Andriani, Aldina Eka
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8937

Abstract

The limited variety of stimuli and problem-solving activities in teaching materials causes low learning outcomes for students. This study aims to describe the development design, test the feasibility and effectiveness of Interactive E-Modules based on Problem-Based Learning to improve student learning outcomes on the material of the senses of human vision and hearing in class IV SDN Kalibanteng Kidul 03 Semarang City. The type of research used is Research and Development (R&D) with the Borg and Gall model. The research subjects were fourth-grade students of SDN Kalibanteng Kidul 03, which amounted to 23 students. Data collection techniques using tests (pretest and posttest) and non-tests (observation, interviews, questionnaires and document data). Data analysis techniques used normality test, t-test, and N-Gain test. The results showed that the development design of interactive E-Modules based on Problem Based Learning using the Canva application consisted of the main page, instructions for use and activities, table of contents, learning outcomes and objectives, concept maps, learning materials based on Problem Based Learning syntax, visual media in the form of 3D images using (Assemblr EDU), learning videos, glossary, interactive quizzes (Wordwall), bibliography and developer profile. The feasibility of interactive E-Modules based on Problem-Based Learning from material experts, 92.5% of the criteria are very feasible, and media experts, 90% of the criteria are very feasible, supported by the results of the teacher response questionnaire, 95% with very feasible criteria and 100% of student responses with very feasible criteria. The effectiveness of interactive E-Modules based on Problem Based Learning is shown from the increase in pre-test and post-test scores by 39.3, this result is supported by the results of the t-test showing a significance value (2-tailed) <0.000 which based on the criteria the value is below 0.05 and the results of the N-gain test of 0.6706 medium criteria. The conclusion of this study shows that the interactive E-Module based on Problem-Based Learning was successfully developed, very feasible, and effective for improving the learning outcomes of the material of the senses of vision and human hearing in fourth-grade students of SDN Kalibanteng Kidul 03, Semarang City.
Enhancing Students Metacognitive Awareness and Scientific Reasoning through the Quantum Learning Model in High School Aeni, Saofiatul; Jufri, A. Wahab; Handayani, Baiq Sri; Ramdani, Agus
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8953

Abstract

Students’ limited ability to connect theoretical concepts with real-life phenomena, coupled with monotonous lecture-based teaching, has led to low engagement in learning. This study investigates the effect of the Quantum Learning model on students’ metacognitive skills and scientific reasoning. Using a quasi-experimental design with a nonequivalent control group, the study involved 41 tenth-grade students at SMA 1 Labuapi, divided into an experimental group (n = 20) and a control group (n = 21), selected through saturated sampling. The Metacognitive Skills Scale (MSS), adapted from Mustafa and Nuray, and a scientific reasoning test based on the Classroom Test of Scientific Reasoning (CTSR) developed by Lawson, were used for data collection. Data were analyzed using paired sample t-tests at a significance level of α = 0.05. Results showed significant improvement in both groups, with the experimental group experiencing greater gains in metacognitive skills (mean diff. = -20.050; SD = 5.624; p = 0.000) and scientific reasoning (mean diff. = -32.200; SD = 5.978; p = 0.000) compared to the control group (metacognitive: -11.905; SD = 5.558; scientific reasoning: -14.619; SD = 5.826; both p = 0.000). These findings indicate that the Quantum Learning model is effective in enhancing metacognitive awareness as well as scientific reasoning and is recommended for use in science education to improve student engagement and thinking skills.
Hepatoprotector Edible Flower in Indonesia: A Review Kresnapati, I Nyoman Bagus Aji; Kurniawan, Salsabila Yunita; Novitarini, Novitarini; Pratiwi, Baiq Yulia Hasni
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.8983

Abstract

Hepatotoxicity is an agent that causes damage to human liver function, and every year, cases of liver damage are increasing. Agents that cause liver damage, such as drugs (Paracetamol), chemicals, Carbon Tetrachloride (CCL4), cause liver damage, which is characterized by an increase in the liver enzymes Serum Glutamic Oxaloacetic Transaminase (SGOT) and Serum Glutamic Pyruvic Transaminase (SGPT). Giving natural ingredients such as edible flower extracts (hepatoprotectors) can reduce SGOT and SGPT levels in liver damage (Hepatoxicity). Indonesia is a country rich in biodiversity, including edible flowers. Therefore, the purpose of this study was to analyze edible flowers that grow in Indonesia and have hepatoprotective activity. This research method is based on a Google Scholar search for the last 5 years (2024-2020) with a keyword search for herbal plants that grow in Indonesia, then selected edible flowers, and a search for edible flowers, then selected edible flowers that act as hepatoprotective. From the search results, edible flowers that act as hepatoprotectors were obtained, namely, Rosella Flower (Hibiscus sabdariffa), Pagoda Flower (Clerodendrum paniculatum L.), Water Hyacinth Flower (Eichhornia crassipes), French Marigold Flower (Tagetes Patula) and Butterfly Pea Flower (Clitoria ternatea), which grow abundantly in Indonesia. Based on the content of active edible compounds, namely flavonoids, anthocyanins, tannins, alkaloids, saponins, terpenoids, phenolic acids and carotenoids, with flavonoids being the most dominant found in all edible flowers. And among the 5 edible flowers as hepatoprotective, only 2 are the most familiar in Indonesia, namely Rosella Flower (Hibiscus sabdariffa) and Butterfly Pea Flower (Clitoria ternatea), so it can be concluded that the most familiar hepatoprotective edible flowers in Indonesia are Rosella Flower (Hibiscus sabdariffa) and Butterfly Pea Flower (Clitoria ternatea).
The Effect of Cooperative Model-Integrated Huyula Local Wisdom Values on Mastery Concepts of Simple Machine Material Primayanti, Tria; Odja, Abdul Haris; Yusuf, Muhammad; Abdjul, Tirtawaty; Ntobuo, Nova Elysia; Uloli, Ritin
Jurnal Pijar Mipa Vol. 20 No. 3 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i3.9027

Abstract

The learning model can be interpreted as a whole series of material presentations that include all aspects before, during and after learning. This study aims to examine the effect of applying a cooperative model integrated with local wisdom values on the mastery of the concept of simple aircraft research at SMP Negeri 1 Telaga Biru. The research design used a One-Shot Case Study by using one class as a sample. The results showed a significant increase in student learning outcomes after being treated using a cooperative model integrated with local wisdom values. The use of cooperative models integrated with local wisdom values increases the active involvement of students in discussions and cooperation, so as to improve understanding of concepts and the ability to carry out activities that are directly related to the concept of simple aircraft material. Data analysis shows that the average posttest score is higher than the learning objectives achievement criteria (KKTP). The results showed the criteria for testing the hypothesis of a one-sample t-test, tcount ≥ ttable, with α level = 0.05 for the experimental class, t table value (2.0096). This indicates that the cooperative model integrated with local wisdom values can improve students' learning outcomes in understanding the concept of simple aircraft material. This study concludes that the application of the cooperative model integrated with local wisdom values is effective because it involves students actively in the process of cooperation and discussion, thus strengthening their understanding of the material and achieving learning outcomes.

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