Articles
<![CDATA[Pelabelan Harmonis Ganjil pada Graf Bunga Double Quadrilateral ]]>
<![CDATA[Fery Firmansah]]>
<![CDATA[ JURNAL ILMIAH SAINS Volume 20 Nomor 1, April 2020 ]]>
Publisher : <![CDATA[Sam Ratulangi University ]]>
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DOI: 10.35799/jis.20.1.2020.27278
<![CDATA[Graf harmonis ganjil adalah graf yang memenuhi sifat-sifat pelabelan harmonis ganjil. Tujuan dari penelitian ini adalah mendapatkan kelas graf baru yang merupakan graf harmonis ganjil. Metode penelitian yang digunakan terdiri dari beberapa tahapan yaitu konstruksi definisi, formulasi fungsi pelabelan dan pembuktian teorema. Hasil dari penelitian ini adalah konstruksi graf bunga double quadrilateral  dengan  dan graf bunga variasi double quadrilateral  dengan  yang merupakan pengembangan dari graf double quadrilateral  dan graf variasi double quadrilateral . Lebih lanjut telah dibuktikan bahwa graf  dan  adalah graf harmonis ganjil.Kata Kunci: graf double quadrilateral, graf bunga, graf harmonis ganjil, pelabelan graf Odd Harmonious Labelling on The Flower Double Quadrilateral Graphs ABSTRACTOdd harmonious graphs are graphs that have odd harmonious labeling properties. The purpose of this study is to get a new class of graphs which are odd harmonious graphs. The research method used consists of several stages, namely construction of definitions, formulation of labeling functions and proof of theorems.  The results of this study is to get a graph construction will be given, namely the flower quadrilateral graphs  with  and the flower variation of quadrilateral graphs  with , which are the development of double quadrilateral graphs  and variation double quadrilateral graphs . It has further been proven that  and  are odd harmonious graphs.Keywords: double quadrilateral graph, flower graph, labeling graph, odd harmonious graph]]>
<![CDATA[Pelabelan Harmonis Ganjil pada Graf Ular Jaring Berlipat ]]>
<![CDATA[Fery Firmansah]]>
<![CDATA[ Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 17 No. 1 (2020): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam ]]>
Publisher : <![CDATA[Universitas PGRI Palembang ]]>
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DOI: 10.31851/sainmatika.v17i1.3182
<![CDATA[Graphs that have odd harmonious labeling properties are called odd harmonious graphs. The purpose of this study to obtain a new graph class construction with its properties, but also to prove that the new graph class has odd harmonious labeling properties. The research method used consisted of several steps namely data research preparations, research investigations and verification of results. The results of this study, we will provide a construction of a new graph class, that is, the pleated net snake graph and its properties. Furthermore, it will be proven that the pleated net snake graph has odd harmonious labeling properties, so that the pleated net snake graph is an odd harmonious graph.]]>
<![CDATA[Odd Harmonious Labeling of the Zinnia Flower Graphs ]]>
<![CDATA[Fery Firmansah]]>;
<![CDATA[Tasari Tasari]]>;
<![CDATA[Muhammad Ridlo Yuwono]]>
<![CDATA[ Jurnal Ilmiah Sains Volume 23 Nomor 1, April 2023 ]]>
Publisher : <![CDATA[Sam Ratulangi University ]]>
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DOI: 10.35799/jis.v23i1.46771
<![CDATA[An odd harmonious graph is a graph that satisfies the odd harmonious labeling properties. In this study, a new graph class construction is presented, namely zinnia flower graphs and variations of the zinnia flower graphs. The research method used is qualitative and includes several phases, namely data collection, data processing and analysis, and verification of the results. The purpose of this research is to find a new class of graphs that is a family of odd harmonious graphs. We will prove that prove that the zinnia flower graph and its variations satisfy odd harmonious labeling properties. The result of this research is that the zinnia flower graph and its variations are odd harmonious graphs. Keywords: Flower graph; odd harmonious graph; odd harmonious labelling; zinnia flower graph Pelabelan Harmonis Ganjil dari Graf Bunga Zinnia ABSTRAK Graf yang memiliki sifat pelabelan harmonis ganjil adalah graf harmonis ganjil. Pada penelitian ini akan didapatkan konstruksi graf bunga zinnia dan variasi graf bunga zinnia. Metode penelitian yang digunakan adalah penelitian kualitatif yang terdiri beberapa tahapan yaitu pengumpulan data, pengolahan dan analisis data, serta verifikasi hasil. Tujuan penelitian ini adalah menemukan kelas graf baru yang merupakan keluarga dari graf harmonis ganjil. Hasil penelitian ini diperoleh bahwa graf bunga zinnia dan variasi graf bunga zinnia merupakan graf harmonis ganjil. Kata kunci: Graf bunga; graf bunga zinnia; graf harmonis ganjil; pelabelan harmonis ganjil]]>
<![CDATA[PENGARUH INTERAKSI TEMAN SEBAYA DAN SELF EFFICACY TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS 10 ]]>
<![CDATA[Nur Latifah Hidayati]]>;
<![CDATA[Septiana Wijayanti]]>;
<![CDATA[Fery Firmansah]]>
<![CDATA[ Jurnal Numeracy Vol 10 No 2 (2023) ]]>
Publisher : <![CDATA[Program Studi Pendidikan Matematika, Universitas Bina Bangsa Getsempena ]]>
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DOI: 10.46244/numeracy.v10i2.2241
<![CDATA[Kajian ini memiliki tiga tujuan utama, yakni untuk mengetahui (1) pengaruh interaksi teman sebaya pada hasil belajar matematika; (2) pengaruh self-efficacy pada hasil belajar matematika; (3) pengaruh interaksi teman sebaya dan self-efficacy secara bersama-sama pada hasil belajar matematika. Penelitian kuantitatif ini menggunakan metode penelitian expost facto dan siswa kelas 10 SMK Negeri 4 Klaten Tahun Pelajaran 2022/2023 digunakan sebagai subjek penelitian. Sampel diambil dengan teknik cluster random sampling berjumlah 33 siswa kelas 10 AKL 3. Pengumpulan data penelitian menggunakan dua instrumen angket dan satu instrumen tes. Setelah memperoleh data penelitian kemudian diuji prasyarat analisis. Apabila uji prasyarat terpenuhi maka dengan taraf signifikansi 5% dilakukan pengolahan data. Hasil analisis data, diperoleh kesimpulan yakni: (1) interaksi teman sebaya pada hasil belajar matematika berpengaruh positif dan signifikan dengan sumbangan efektif sebesar 16,6%; (2) self-efficacy pada hasil belajar matematika berpengaruh positif dan signifikan dengan sumbangan efektif sebesar 63,4%; (3) interaksi teman sebaya dan self-efficacy pada hasil belajar matematika secara bersama-sama berpengaruh positif dan signifikan. Adapun koefisien determinasi sebesar 0,799 artinya interaksi teman sebaya dan self-efficacy berkontribusi sebesar 80% pada hasil belajar matematika sedangkan variabel lain diluar Penelitian berkontribusi sebesar 20%.AbstractThis study has three main objectives, namely to determine (1) the effect of peer interaction on mathematics learning outcomes; (2) the effect of self-efficacy on mathematics learning outcomes; (3) the effect of peer interaction and self-efficacy together on mathematics learning outcomes. This quantitative research used an ex post facto research method and class 10 students of SMK Negeri 4 Klaten for the 2022/2023 academic year are used as research subjects. The sample was taken using a cluster random sampling technique totaling 33 students of class 10 AKL 3. Research data was collected using two questionnaire instruments and one test instrument. After obtaining the research data, the analysis prerequisites were tested. If the prerequisite tests are met, data processing is carried out at a significance level of 5%. From the results of data analysis, the conclusions obtained were: (1) peer interaction on mathematics learning outcomes has a positive and significant effect with an effective contribution of 16.6%; (2) self-efficacy on mathematics learning outcomes has a positive and significant effect with an effective contribution of 63.4%; (3) peer interaction and self-efficacy on mathematics learning outcomes together have a positive and significant effect. The coefficient of determination is 0.799, meaning that peer interaction and self-efficacy contribute 80% to mathematics learning outcomes while other variables outside research contribute 20%.]]>
<![CDATA[Application of integer linear program in optimizing convection sector production results using branch and bound method ]]>
<![CDATA[Firmansah, Fery]]>;
<![CDATA[Yuwono, Muhammad Ridlo]]>;
<![CDATA[Munif, Fika Aisyah]]>
<![CDATA[ International Journal of Applied Mathematics, Sciences, and Technology for National Defense Vol 1, No 1 (2023): International Journal of Applied Mathematics, Sciences, and Technology for Natio ]]>
Publisher : <![CDATA[FoundAE ]]>
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DOI: 10.58524/app.sci.def.v1i1.173
<![CDATA[This study aimed to determine the application of the integer program in optimizing the production of the convection sector. Integer linear programming is a special form of linear programming in which the decision variable solutions are integers. Ayyumnah store as one part of the convection sectors with a home-scale does not have an appropriate strategy to optimize profits with limited materials owned. The method used in this study is an integer program with the branch and bound method. The result of this research is the optimal amount of production of long shirts and tunics at the Ayyumnah Store with maximum profit.]]>
<![CDATA[Analysis of the Tenth Grade Students’ Numeracy Literacy Ability in Solving Contextual-Based Story Problems ]]>
<![CDATA[Arumsari, Diny]]>;
<![CDATA[Firmansah, Fery]]>;
<![CDATA[Sungkono, Joko]]>;
<![CDATA[Wijayanti, Septiana]]>;
<![CDATA[Tasari, Tasari]]>
<![CDATA[ MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol 6, No 2 (2024): MATHEMA ]]>
Publisher : <![CDATA[Universitas Teknokrat Indonesia ]]>
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DOI: 10.33365/jm.v6i2.4043
<![CDATA[The aim of this study was to describe the tenth grade students’ numeracy literacy ability in solving contextual-based story problems at SMK Negeri 4 Klaten in the 2022/2023 academic year. Taking research subjects using purposive sampling technique. The data collection techniques are documentation, tests and interviews. Based on the results of the study, it was obtained: students' numeracy literacy ability in identifying and understanding problems for students in the upper group had very good criteria (100%), students in the middle group had less criteria (50%) and students in the lower group had very poor criteria (0%); students' numeracy literacy ability in understanding and using symbols and numbers for group students with very good criteria (91.7%), middle and lower group students with very good criteria (87.5%); students' numeracy literacy ability in selecting and applying problem solving methods for students in the upper group had very good criteria (87.5%), students in the middle group had good criteria (79.2%), students in the lower group had good criteria (70.8%); as well as the ability of students' numeracy literacy in drawing and explaining the conclusions of the final results obtained from solving problems for students in the top group with very good criteria (91.7%), students in the middle and lower groups with good criteria (66.7%). In solving contextual-based word problems, students made several mistakes due to students' lack of accuracy and thoroughness both in reading the questions, writing answers and the calculation process.]]>
<![CDATA[The Odd Harmonious Labeling on Variation of the Double Quadrilateral Windmill Graphs ]]>
<![CDATA[Firmansah, Fery]]>
<![CDATA[ Jurnal ILMU DASAR Vol 18 No 2 (2017) ]]>
Publisher : <![CDATA[Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember ]]>
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DOI: 10.19184/jid.v18i2.5648
<![CDATA[A Graphis calledif it hasvertices and edqes. The graphis said to be an odd harmonious if there exists an injectionsuch that induced mappingis a bijection and is said to be an odd harmonious labeling of. In this paper, we construct the odd harmonious labeling on variation of the double quadrilateral windmill graph with . Moreover, we also give odd harmonious labeling construction for generalized variation of the double quadrilateral windmill graph withand . Keywords: Odd harmonious labeling, variation, double quadrilteral, windmill graph.]]>
<![CDATA[THE EFFECTIVENESS OF PROBLEM-BASED LEARNING WITH SOCIAL MEDIA ASSISTANCE TO IMPROVE STUDENTS' UNDERSTANDING TOWARD STATISTICS ]]>
<![CDATA[Yuliana Yuliana]]>;
<![CDATA[Fery Firmansah]]>
<![CDATA[ Jurnal Infinity Vol 7 No 2 (2018): Volume 7 Number 2, INFINITY ]]>
Publisher : <![CDATA[IKIP Siliwangi and I-MES ]]>
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DOI: 10.22460/infinity.v7i2.p97-108
<![CDATA[The objectives of the research are (1) to develop mathematics learning through Problem Based Learning (PBL) with social media assistance in improving students’ understanding toward statistics and (2) to find out the effectiveness of PBL with social media assistance. This research is a quasi-research with cluster random sampling. The cluster random sampling was employed to determine a control class and an experimental class. After treatment for each class, post-test was done. Then, the post-test data was analyzed through a T-test. The result is the mean score of post-test in experimental class was better than that in control class. It means PBL with social media assistance is more effective than the conventional model to teach statistics. The result was supported by a questionnaire that showed learning mathematics through PBL with social media assistance got a positive response from the students.]]>
<![CDATA[PENGEMBANGAN POJOK BACA DESA JUNGKARE UNTUK MENINGKATKAN KETERAMPILAN LITERASI BACA TULIS DAN SAINS PADA ANAK ]]>
<![CDATA[Hutomo, Suryo Priyo]]>;
<![CDATA[Cahyaningrum, Ana Octavia]]>;
<![CDATA[Diniyati, Deni]]>;
<![CDATA[Triyaningsih, Nanda]]>;
<![CDATA[Trijayanti, Patma]]>;
<![CDATA[Rahmawati, Rani]]>;
<![CDATA[Lestari, Resti Madiana]]>;
<![CDATA[Amanah, Salimatul]]>;
<![CDATA[Rukmana, Sandy Puspita]]>;
<![CDATA[Yanti, Ulfah Aulia Dewi]]>;
<![CDATA[Damayanti, Viki]]>;
<![CDATA[Kusumawati, Woro Sophia Amirul]]>;
<![CDATA[Firmansah, Fery]]>
<![CDATA[ WIDHARMA - Jurnal Pengabdian Widya Dharma Vol. 4 No. 01 (2025): Januari 2025 ]]>
Publisher : <![CDATA[LPPM Universitas Widya Dharma Klaten ]]>
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DOI: 10.54840/widharma.v4i01.235
<![CDATA[The purpose of this service is to improve children's reading literacy, writing literacy, and science literacy skills through the development of a reading corner. The object of service is the children of Jungkare village, Karanganom sub-district, Klaten district. Reading literacy and writing literacy activities are wall magazine making while science literacy is in the form of simple rotary ice cream making activities. The service methods used are presentation, discussion, and practice. The activity stages consisted of socialization of the implementation and project exhibition. The results showed that the children of Jungkare village were very enthusiastic in participating in reading literacy, writing literacy, and science literacy activities.]]>
<![CDATA[Differentiated Learning Using ESS-MATH-Based PBL Model on Problem-Solving Ability Reviewed from Learning Style ]]>
<![CDATA[Ardiyanto, Bagas]]>;
<![CDATA[Firmansah, Fery]]>;
<![CDATA[Tasari, Tasari]]>
<![CDATA[ MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol 7, No 1 (2025): MATHEMA ]]>
Publisher : <![CDATA[Universitas Teknokrat Indonesia ]]>
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DOI: 10.33365/jm.v7i1.4791
<![CDATA[The development of the era of globalization is accelerating, which must be supported by the ability of expert students. This study aims to find out how content-differentiated learning through the ESS-MATH-based Problem-Based Learning model affects the ability of class X students of SMK N 1 Klaten to solve problems from a learning style. This study uses a descriptive approach with qualitative research methods. The instruments used were David Kolb's learning style questionnaire, the ESS-MATH application and problem-solving ability questions. The results obtained are that the application of content-differentiated learning using the ESS-MATH-based PBL model is able to improve students' skills in problem-solving according to their learning style. The ESS-MATH application is a new alternative in the implementation of content-differentiated learning because it can meet the learning needs of students and ease of use.]]>
