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All Journal Jurnal Pendidikan Matematika dan IPA Jurnal Visi Ilmu Pendidikan Quagga Jurnal Pembelajaran Fisika Bioeksperimen: Jurnal Penelitian Biologi Scientiae Educatia: Jurnal Pendidikan Sains Media Penelitian Pendidikan : Jurnal Penelitian dalam Bidang Pendidikan dan Pengajaran Jurnal Penelitian Pembelajaran Fisika E-Dimas: Jurnal Pengabdian kepada Masyarakat BIOMA Titian Ilmu: Jurnal Ilmiah Multi Sciences Jurnal Penelitian Pendidikan IPA (JPPIPA) INKUIRI : Jurnal Pendidikan IPA Jurnal Bioedukatika EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA PENDIPA Journal of Science Education BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Jurnal Mangifera Edu Jurnal Ilmiah Cendekia Eksakta Bio-Inoved : Jurnal Biologi-Inovasi Pendidikan Variabel Eduproxima : Jurnal Ilmiah Pendidikan IPA Didaktika: Jurnal Kependidikan BIOGENESIS Jurnal Inovasi Pembelajaran di Sekolah Borneo Journal of Biology Education (BJBE) NUSRA: Jurnal Penelitian dan Ilmu Pendidikan PSEJ (Pancasakti Science Education Journal) Berkala Ilmiah Pendidikan Online Learning in Educational Research Jurnal Pembelajaran, Bimbingan, dan Pengelolaan Pendidikan Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Journal of Educational Sciences Practice of The Science of Teaching Journal: Jurnal Praktisi Pendidikan Biological Environment and Pollution Innovative: Journal Of Social Science Research Panrita Inovasi: Jurnal Pengabdian Kepada Masyarakat Pelita: Jurnal Pengabdian kepada Masyarakat Jurnal Kualita Pendidikan Social Engagement: Jurnal Pengabdian Kepada Masyarakat Quagga: Jurnal Pendidikan dan Biologi Biodik: Jurnal Ilmiah Pendidikan Biologi Unnes Science Education Journal Action Research Journal Bioma : Jurnal Ilmiah Biologi PESHUM Jurnal Pendidikan Guru Profesional Scientiae Educatia: Jurnal Pendidikan Sains Open Access DRIVERset Formatif : Jurnal Ilmiah Pendidikan MIPA Jurnal Penelitian Pembelajaran Fisika
Muhammad Syaipul Hayat
Universitas Persatuan Guru Republik Indonesia Semarang
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Profile of Learning Outcomes and Student Activity in Learning Natural Sciences at SMPN 2 Karangawen Ivonne Susana Berlin; Ary Susatyo Nugroho; Siti Patonah; Muhammad Syaipul Hayat
Jurnal Penelitian Pendidikan IPA Vol 11 No 1 (2025): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i1.9808

Abstract

This article as a literature review aims to understand the characteristics of learning achievement and the level of student participation in the Natural Sciences learning process. At SMPN 2 Karangawen. The fact that in the field many students experience difficulties when learning and are not active when there is material they don't understand, this is what prompted researchers to find out the learning outcomes and student activity in science learning at SMPN 2 Karangawen. This research uses descriptive qualitative methods and the subjects of this research involve 31 students in class IX of SMPN 2 Karangawen. Sample selection in this research was carried out using a simple random sampling method. Information collection was carried out using the activity questionnaire method and recording learning outcomes. In this research, descriptive statistical analysis techniques were used to analyze the data. The findings show: 1) Recording of science learning outcomes through the classroom observation method is quite 42%. 2) The profile of student activity in science learning can be categorized as less active because only 2 instruments are included in the good category, namely seen from the results of visual activities 53% and writing activities 71%. At the same time, there are 3 indicators that fall into the category, namely oral activities 63%, listening activities 65%, and activity metrics 57%.
Development of Learning Tools with Project-Based Learning (PjBL) Model on Students' Creative Thinking Skills in Renewable Energy Material Lindang Agus Siyamuningsih; Nur Khoiri; Harto Nuroso; Muhammad Syaipul Hayat
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.10783

Abstract

This study aims to develop learning devices with a project-based learning model in order to improve students' creative thinking skills in physics subjects on renewable energy material. This type of research is research and development (R&D) with the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). This research was conducted at SMAN 1 Semarang with the research subjects being a physics teacher and 10th grade students. The research instruments consist of three types, including 1). Feasibility test using a questionnaire sheet, 2). Practicality test using observation sheets and questionnaires, and 3). Effectiveness test using creative thinking skills questions on renewable energy material. Research data related to the effectiveness test in the form of pre-test and post-test were analyzed using the N-gain test. Based on the data analysis, the results obtained include 1). The results of the validation of the learning devices with an average percentage value of 79% (high), 2). The results of the physics teacher's response regarding the practicality of the learning devices obtained a percentage of 83% (very practical), and 3). The results of the effectiveness test using the N-gain test showed that there was an increase in students' creative thinking skills on the renewable energy material taught using the project-based learning (PjBL) model learning device. So it can be concluded that the use of project-based learning models can improve students' creative thinking skills in studying material about renewable energy.
The Future of Science Learning: Meta-Analysis of the Effectiveness of Augmented Reality in Enhancing Critical Thinking Betty Diah Kusumaningrum; Muhammad Syaipul Hayat; Sumarno
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.11071

Abstract

The development of technology has brought significant changes in the world of education, especially in the field of Natural Sciences (IPA). Critical thinking skills are becoming increasingly important in the ever-evolving information age. Along with that, the importance of education that integrates technology in science teaching is very clear. Augmented Reality (AR) is a technology that combines the real world with digital elements to create interactive and immersive learning experiences. This study evaluates the effectiveness of augmented reality in enhancing students’ critical thinking through a meta-analysis approach. A total of 8 articles that met the author's criteria published between 2019 and 2024 were analyzed using paired samples test. The results of this research show that Augmented Reality (AR) technology significantly improves students' critical thinking skills in science learning.
Analisis Kemampuan Computational Thinking dan Science Reasoning Siswa SMP pada Materi Gerak dan Gaya Mulyono Mulyono; Muhammad Syaipul Hayat; Fenny Roshayanti
Didaktika: Jurnal Kependidikan Vol. 14 No. 3 Agustus (2025): Didaktika Jurnal Kependidikan
Publisher : South Sulawesi Education Development (SSED)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58230/27454312.2772

Abstract

Penelitian ini bertujuan untuk mendeskripsikan profil kemampuan Computational Thinking (CT) dan Science Reasoning (SR) siswa kelas VIII SMP IT PAPB Semarang pada materi Gerak dan Gaya. Urgensi penelitian ini terletak pada pentingnya penguatan keterampilan berpikir abad ke-21 dalam pembelajaran IPA, khususnya dalam menghadapi tantangan global dan meningkatkan kemampuan pemecahan masalah berbasis sains dan teknologi. Sebanyak 58 siswa dijadikan responden dalam studi ini. Penelitian menggunakan pendekatan deskriptif kuantitatif dengan instrumen berupa soal tes CT dan SR serta lembar penilaian portofolio siswa yang telah divalidasi oleh ahli dan diuji coba. Data dianalisis menggunakan persentase kategori kemampuan serta korelasi Pearson Product Moment untuk melihat hubungan antara CT dan SR. Hasil penelitian menunjukkan bahwa mayoritas siswa berada pada kategori sedang dalam kemampuan CT (62,07%) dan SR (65,52%). Pada aspek CT, sedangkan hasil uji korelasi menunjukkan adanya hubungan positif yang signifikan antara CT dan SR dengan nilai r = 0,642 dan p < 0,01, yang mengindikasikan bahwa peningkatan kemampuan CT dapat mendukung penguatan kemampuan SR. Temuan ini menggarisbawahi pentingnya integrasi strategi pembelajaran yang mengembangkan aspek CT dan SR secara seimbang, khususnya dalam materi Gerak dan Gaya di mata pelajaran IPA. Implikasi dari penelitian ini adalah perlunya pengembangan model pembelajaran inovatif yang mengajak keterlibatan siswa untuk menumbuhkan keterampilan berpikir tingkat tinggi pada siswa.
Profil Kesiapan Siswa pada Pembelajaran Biologi Berbasis Deep Learning Berdasarkan Self-Regulation dan Critical Thinking di Kelas X SMA Dina Alfiyana; Muhammad Syaipul Hayat; Praptining Rahayu
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol. 9 No. 2 (2026): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/tzxbxa61

Abstract

This study aimed to determine the readiness and thinking habits of students, namely self-regulation and critical thinking in facing biology learning based on deep learning. The study was conducted using descriptive qualitative - quantitative methods, namely data collection with questionnaire results and observations during the learning process supported by the results of student answers through interviews. Participants in this study were 103 students of class X digital media at SMA Islam Sultan Agung 1 Semarang who received biology subjects on environmental change. The results of the study were collected through a habits of mind questionnaire with a score of 81 in the very good category. The observation results showed that students' habits of mind scored 71.53 in the good category and deep learning data scored 54.19 in the sufficient category. Strengthened by interview data, habits of mind were already good although not optimal, but in deep learning data still need optimization even though some have been implemented. Thus, the habits of mind of class X students of SMA Islam Sultan Agung 1 Semarang need to be improved to support the implementation of deep learning learning which is still not optimal in its preparation. Keyword: Biology Learning, Critical Thinking, Deep learning, Self-Regulation
The Potential of ESD-Oriented Learning in Environmental Change Materials Teguh Prakoso; Endah Rita Sulistya Dewi; Muhammad Syaipul Hayat
Journal of Educational Sciences Vol. 10 No. 4 (2026): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.10.4.p.682-694

Abstract

The issues of sustainability and environmental degradation require learning strategies that equip students with 21st-century knowledge, values, and skills. This study aims to analyze teachers' needs, the potential for implementing differentiated learning designs, understanding of ESD values, and schools' readiness to support its implementation. The study uses a qualitative descriptive method through a survey of 50 biology teachers from high schools in Semarang Regency, Semarang City, and Kendal. Data were collected through questionnaires, interviews, observations, and documentation, then analyzed using triangulation techniques in the form of data reduction, data presentation, and conclusion drawing and verification. The results showed that teachers had a high need for more effective and adaptive learning designs and viewed positively the potential application of differentiated learning in helping students understand environmental change material. In addition, teachers demonstrated a strong understanding of the importance of integrating ESD values into biology learning. The readiness of schools was also considered quite good, as evidenced by the availability of facilities and innovation spaces for teachers. Overall, the results of the study confirm that the implementation of ESD-oriented differentiated learning has great potential to be optimally applied because it is supported by teacher readiness, school support, and its relevance to the needs of contemporary biology learning.
Practicality of STEAM–SDGs-Based IPAS Learning for Vocational Students in the Green Economy Era Siti Patonah; Idha Budiati; Muhammad Syaipul Hayat
Online Learning In Educational Research (OLER) Vol. 5 No. 2 (2025): Online Learning in Educational Research
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/oler.v5i2.884

Abstract

The transformation of vocational education in the green economy era requires learning models that extend beyond technical skill mastery to foster creativity and environmental awareness. This study aimed to develop and evaluate the practicality of a STEAM–SDGs-based IPAS learning model through a renewable energy–based Smart House project for vocational students. Thirty tenth-grade software engineering students and one teacher participated. Using the ADDIE framework, data were collected through dichotomous practicality questionnaires, classroom observations, and semi-structured interviews and analyzed descriptively. Findings indicate that the instructional materials—including modules, student worksheets, and assessment instruments—are highly practical, supporting structured lesson planning, collaborative project management, and coherent facilitation of hands-on activities. The model enhanced students’ creative thinking, particularly imagination and originality, and strengthened environmental literacy, including ecological knowledge and energy awareness, though emotional reflection and pro-environmental behaviours were less pronounced. Overall, the model is practical, contextually relevant, and adaptable, offering a viable framework for fostering twenty-first-century competencies and preparing students for the green economy, while reinforcing the integration of STEAM pedagogy with SDG 7 in vocational education.
The Improvement of Prospective Teachers' Life-long Learning during the Plant Diversity Course with 5E+e Inquiry Muhammad Syaipul Hayat; Nuryani Rustaman; Adi Rahmat; Sri Redjeki
Scientiae Educatia: Jurnal Pendidikan Sains Vol. 9 No. 2 (2020): December 2020
Publisher : Tadris Biologi Fakultas Ilmu Tarbiyah dan Keguruan IAIN SYEKH NURJATI CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24235/sc.educatia.v9i2.7476

Abstract

Not a few students who have difficulty interpreting the material being studied in terms of life encourage the need for a paradigm shift in science learning, which is directed at lifelong learning. In this paper, an entrepreneurship-oriented 5E (Engagement, Explain, Exploration, Elaboration, and Evaluation) inquiry learning program is developed, which is also often called 5E+e. This research investigates the improvement of lifelong learning for the prospective teachers during the 5E+e inquiry in the plant diversity course. The quasi-experimental method with a one-group pretest-postest design was used. The research subjects were taken by purposive sampling, namely the fifth-semester students of the Biology Education Study Program at one of the Teachers Institution in Central Java with 31 participants. Data were gathered using a questionnaire filled out by students before (pre) and after (post) the treatment of the 5E+e inquiry learning and observation. The data analysis was carried out in both quantitative and qualitative-descriptive manners to make a comprehensive conclusion. The results revealed that the average lifelong learning score of prospective teachers compiled with rubrics had increased between before (2.68) and after being given the program (3.26) with a maximum score of 4.00. Thus, it can be concluded that the entrepreneurship-oriented inquiry learning program applied to the plant diversity course can increase the lifelong learning of prospective teachers.
Pembelajaran “Projek IPAS” Berbasis STEAM sebagai Kajian Implementasi Kurikulum Merdeka di SMK Muhammad Syaipul Hayat; Sumarno Sumarno; Mahmud Yunus; Noora Qotrun Nada
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.6005

Abstract

The implementation of the Independent Curriculum in SMK requires science learning to be carried out across disciplines through projects. This study aims to examine the potential and implementation of learning "IPAS project" oriented to the STEAM approach as an implementation of the Merdeka curriculum in SMK. The research was conducted using a survey method with a qualitative descriptive approach involving 48 respondents representing 34 out of 163 vocational schools in Central Java. The instrument used is a questionnaire consisting of three open questions about expectations, obstacles and efforts to overcome them; as well as a five-aspect questionnaire on the profile of teachers' understanding of the application of STEAM-based "IPAS Project" learning in the Merdeka curriculum in SMK. Qualitative descriptive analysis is carried out by data reduction, data display, and conclusion drawing. The results showed that although we have understood aspects of the independent curriculum in learning "IPAS Project", there are still obstacles, especially in the application of the STEAM approach. As for the profile of teachers' understanding of the application of STEAM-based "IPAS project" learning in the Merdeka curriculum in SMK, most teachers already have an understanding of the learning concept of "IPAS project" and in its application have involved many students in the implementation of the Merdeka curriculum. But in understanding the concept of STEAM, most teachers still don't master it well. Likewise, in terms of experience in applying the STEAM approach in "IPAS project", not many teachers have applied it in a structured and systematic manner. Based on this, it is recommended that to reduce the gap in expectations and constraints for vocational teachers, an LMS platform is needed to bridge the implementation of STEAM-based "IPAS Project".
Effectiveness of Differentiated Learning in Natural and Social Science Projects Aspects of Substances and Their Changes in Realizing the Pancasila Student Profile Dimensions of Faith, Devotion to God Almighty and Having Noble Morals Nur Latifah; Muhammad Syaipul Hayat; Nur Khoiri
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.6559

Abstract

This research aims to evaluate the effectiveness of differentiated learning in the Natural and Social Sciences Project (NSS Project)ith a focus on aspects of substances and their changes. The application of this learning model is directed at realizing the Pancasila student profile of the dimensions of faith, devotion to God Almighty, and noble character by emphasizing the moral element towards nature. The research method used was experimentation with a control class and an experimental class. Differentiated learning is applied to the experimental class, while the control class receives conventional learning. Based on the results of the N-gain score test calculation, it shows that the average N-gain score for the experimental class (differentiated learning approach) is 57.1599 or 57.2%, which is in the quite effective category. With a minimum N-Gain value of 29.63% and a maximum of 89.67%. Meanwhile, the average N-Gain score for the control class (conventional learning) was 32.3181 or 32.3%, which was included in the ineffective category. With a minimum N-gain score of 10.875 and a maximum of 54.35%. So it can be concluded that the use of a differentiated learning approach is quite effective in increasing the profile of Pancasila students in the dimensions of faith, devotion to God Almighty and noble moral.
Co-Authors Adhitya Chandra Permana Adhitya Chandra Permana Agus Purnomo Agustini, Ferina Ahmad Soleh Ajibudiarta, Riska Aminingsih, Amilia Aninda Nadya Tasya Arifah Nur Aini Arifah Nur Aini Ary Susastyo Nugroho Ary Susatyo Nugroho Ary Susatyo Nugroho Ary Susatyo Nugroho Ary Susatyo Nugroho Ary Susatyo Nugroho Asna Nofiyanti Astuti, Yustina Tri Atip Nurwahyunaini Atip Nurwahyunani, Atip Azizul Ghofar Candra Wicaksono Azizul Ghofar Candra Wicaksono, Azizul Ghofar Candra Baehaqi, Ibnu Baehaqi Betty Diah Kusumaningrum Budiati, Idha Cahyani, Dwi Kurnia Chabibah, Chabibah Christin Eni Wati Citra Khoerun Nikmah Desi Sri Lestari Dewi Arum Budianti Dewi Arum Budianti Diah Sapitri Dido Sujaya Perwinda Dido Sujaya Perwinda Dina Alfiyana Dina Alfiyana Duwi Nuvitalia Efriana Arga Trian Efriana Arga Trian Eka Nurafina Eko Retno Mulyaningrum Ema Auliatzahra Endah Rita Sulistya Dewi Endah Rita Sulistya Dewi Endah Rita Sulistya Dewi Endah Rita Sulistya Dewi Endah Rita Sulistya Dewi Endang Sularni Eny Hartadiyati Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin, Erwin Fahmi Dwi Septiani Fahrun Nisa Umi Fatimah Faizsyahrani, Lilla Panca Febrina Rachmawati Febrina Rachmawati Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti Fenny Roshayanti FENNY ROSHAYANTI Fenny Roshayanti Fenny Rosyayanti Fenti Kumala Sari Fibria Kaswinarni Filia Prima Artharina Grisselda Vania Putri Hartini Hartini Harto Nuroso Harto Nuroso Hindradi, Hindradi I Permana Idha Budiati Indah Budi Handayani Indah Permata Intan Rizky Amalia Ipah Budi Minarti Ivonne Susana Berlin Joko Siswanto Joko Siswanto Joko Siswanto Joko Siswanto Joko Siswanto Joko Siswanto Joko Siswanto Juwahir Juwahir Kenya Luthfia Nur Shabrina Klarisa Aulia Rahma Kurniawati, Septiana Kus Winarno Lindang Agus Siyamuningsih Lussana Rosita Dewi Lyra Halimatun Sa’diyah Lyra Halimatun Sa’diyah M Ikhwan Dwi Putra M. Anaz Dzakiya Mahmud Yunus Maria Ulfah Maria Ulfah . Mefi Andriani Mega Novita Mega Novita Mega Novita Mega Novita Mellisa Putri Adeliana Moch. Ansori Muhamad Bariq Atsila Muhamad Bariq Atsila Muhammad Azmi Syafiq Muhammad Syaipul Hayat Muhtarom Mulyono Mulyono Mulyono Mulyono Muntamah Muntamah Muntamah Muntamah, Muntamah Musyafiatun Musyafiatun Nafila Amalia Syahida Nafila Amalia Syahida Ngurah Ayu Nyoman Murniati Nizaruddin Nizaruddin Nizaruddin Nizaruddin Nizaruddin Noora Qotrun Nada, Noora Qotrun Nugroho, Unggung Eri Nur Hidayah Nur Hidayati Puspita Sari Nur Hidayati Puspita Sari Nur Khoiri Nur Khoiri Nur Latifah Nur Latifah, Nur Nur Lena Nurul Qomariyah Nuryani Rustaman Nuryani Rustaman Nuryani Y. Rustaman Octavia Devi Puspita Sari Praptining Rahayu Prasetyo Anggun Pribadi Prasetyo Anggun Pribadi Prasetyo Prasetyo Prasetyowati, Endriani Tulus Purwanti Purwanti Putri Ayu Lestari Putri Ramadhanti Aisyah Fitri Putri Ramadhanti Aisyah Fitri RACHMAWATI, FEBRINA Rahayu, Rizki Kusumaning Rahma, Klarisa Aulia Ratna Julyanti Reni Rakhmawati Reni Rakhmawati Restianingsih Restianingsih Riski Febrianti Rivanna Citraning Rachmawati Rivanna Citraning Rachmawati, Rivanna Citraning Rizqi Ramayanti Rosady Putri, Belinda Chintya Rukmi, Pramastuti Adiar Sifah, Layyinatus Sigit Ristanto Siskawati, Dyah Siti Fatonah Siti Fatonah Siti Patonah Siti Patonah Sri Redjeki Sri Redjeki Sri Redjeki Sri Wahyuni Sri Wahyuni Sumarmiyati, Sumarmiyati Sumarno . Sumarno Sumarno Sumarno Sumarno Suminarsih Suminarsih Sutarno Sutarno Sutarno Sutarno Sutrisno Sutrisno Taufiq Fathurrozi Teguh Prakoso Teguh Prakoso Topik Hidayat Tri Mulyani Unggung Eri Nugroho Waewdao Dathong Wakhidah Noor Agustina Wartoyo Wartoyo Wibisono, Yudi Catur Wilem Rilexen S P Mulder Wilem Rilexen S P Mulder Wiyaka Wiyaka Yanuar Hery Murtianto Yunita Lema