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All Journal Jurnal Pendidikan Fisika Indonesia Jurnal Pendidikan IPA Indonesia Indonesian Journal of Mathematics and Natural Sciences Abdimas JURNAL FISIKA Lembaran Ilmu Kependidikan Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Sainteknol : Jurnal Sains dan Teknologi Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Educational Management INKUIRI : Jurnal Pendidikan IPA UPEJ Unnes Physics Education Journal Journal of Innovative Science Education Unnes Journal of Mathematics Education Research Journal of Primary Education Journal of Creativity Student Abdimas Toddopuli: Jurnal Pengabdian Pada Masyarakat Physics Communication Jurnal Penelitian Pendidikan Indonesia Journal of Vocational and Career Education Jurnal Sains dan Edukasi Sains

Khumaedi -

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Author-ID : 207602

Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Pengembangan Tes untuk Mengukur Kemampuan Literasi Sains Siswa SMP pada Materi Getaran dan Gelombang Rohana, Ilma Nor; Rusilowati, Ani; Khumaedi, Khumaedi
UPEJ Unnes Physics Education Journal Vol 7 No 3 (2018)
Publisher : UPEJ Unnes Physics Education Journal

Penelitian ini merupakan penelitian pengembangan (R&D) yang menghasilkan tes bertujuan untuk mengukur kemampuan literasi sains siswa SMP pada materi getaran dan gelombang yang teruji validitas, reliabilitas, dan karakteristiknya. Jumlah sampel dalam penelitian ini sebanyak 66 siswa dari kelas VIII B dan VIII C SMP Negeri 22 Semarang. Produk berupa 22 butir soal dengan kriteria sangat valid pada uji validitas isi dan kuat pada uji validitas kesejajaran dengan nilai 0,62 serta reliabilitas tinggi sebesar 0,88. Tes yang dikembangkan memuat kategori literasi sains dengan persentase sains sebagai batang tubuh pengetahuan, cara berpikir, cara menyelidiki, serta interaksi sains, teknologi, dan masyarakat berturut-turut sebesar 32%, 23%, 36%, dan 9%. Persentase taraf kesukaran 0% mudah, 45% sedang, dan 35% sukar. Profil kemampuan literasi sains perkategori untuk sains sebagai batang tubuh pengetahuan, cara berpikir, cara menyelidiki, serta interaksi sains, teknologi, dan masyarakat berturut-turut memiliki persentase sebesar 27%, 28%, 42% dan 15 %, dimana keempat kategori tersebut memiliki kriteria kurang sekali. The research is a research and development that produce test to measure science literacy ability of junior high school students on vibration and wave material that is tested for its validity, reliability, and characteristic. This research was conducted in SMP Negeri 22 Semarang with total sample of 66 students from class VIII B and VIII C. There are 22 questions that very valid with criteria on content validity test and meet the strong criteria on the validity test parallels with a value of 0.62 and high reliability of 0.88. The developed test contained the science literacy category with the percentage of science as a body of knowledge, science as a way of thinking, science as a way of investigating, and the interaction of science, technology, and society in 32%, 23%, 36%, and 9% respectively. The percentage of difficulty level is 0% easy, 45% moderate, and 35% difficult. The profile of students science literacy ability for science as a body of knowledge, science as a way of thinking, science as a way of investigating, and interaction of science, technology, and society have a percentage of 27%, 28%, 42% and 15% respectively, it classified as a very lack in criteria.  

Penerapan Handout Dalam Model Pembelajaran Learning Cycle 7E untuk Meningkatkan Hasil Belajar Siswa Rahmawati, Himmatul; Edie, Sukiswo Supeni; Khumaedi, Khumaedi
UPEJ Unnes Physics Education Journal Vol 8 No 1 (2019)
Publisher : UPEJ Unnes Physics Education Journal

Physics is a study of natural phenomena and its interactions. In learning physics, it is necessary to practice the concepts of physics in everyday life. However, physics is still considered as a difficult subject by most of the students. It leads to the low outcomes of students' cognitive learning outcomes. Learning model and teaching materials are needed, so that it will be easier for students to understand a lesson. In this study, the researcher used 7E Learning Cycle model with handouts. This study intended to determine the effects of handout as a learning media in 7E Learning Cycle model to improve the learning outcomes of VII Grade students of SMP Negeri 2 Demak on the lesson of measurement. The research method used in this research was experimental research method with Pretest-Posttest Control Group Design as the research design. The sample of this study was taken by cluster random sampling technique. It obtained research samples which were class VII D as the experimental class, and class VII A as the control class. Based on the result of the study, it obtained the average value of posttest of the experimental class was 73.50, and the control class was 58.31. The hypothesis testing by using point-biserial correlation coefficient and the coefficient of determination showed that handout as the learning media in 7E Learning Cycle model had a positive effect on students' cognitive learning outcomes. The improvement of student learning outcomes was indicated by the N-Gain test value of the experimental class of 0.26, and the control class of 0.10 with the low category. In conclusion, handout as the learning media in the 7E Learning Cycle model influences and improves student learning outcomes.

Analysis of Problem Solving Skills and Students Scientific Attitudes through the Implementation of Problem Based Learning Module Arini, Affita Nur; Hartono, Hartono; Khumaedi, Khumaedi
Journal of Innovative Science Education Vol 8 No 1 (2019): Article In Press
Publisher : Postgraduate, Universitas Negeri Semarang, Indonesia

The purpose of this study was to describe the physics problem solving skills and scientific attitudes of students after applying the Problem Based Learning (PBL) module, obtaining a valid and practical PBL devices and modules, knowing whether the application of PBL learning modules has an effective to improve physics problem solving skills and students scientific attitudes and to know the students response to the application of PBL learning modules. This study uses research on concurrent embedded design combinations, which is a combination research that combines two types of research namely quantitative and qualitative. The sample in this study was selected one class as an experimental class which was treated with PBL learning with PBL modules. Then 6 students were chosen from the experimental class to conduct more in-depth observations about problem solving  skills and scientific attitudes. After the application of PBL learning modules, physics problem solving skills and scientific attitudes of students have increased. PBL learning modules are valid and practical. The application of PBL learning modules has effective to improve physics problem solving skills and scientific attitudes of students. There were 88.24% of students giving positive responses and interested in participating in learning activities using PBL learning modules.

Analisis Kemampuan Komunikasi Matematis Berdasarkan Self-Efficacy Siswa pada Model Pembelajaran Mea Juhrani, Juhrani; Suyitno, Hardi; Khumaedi, Khumaedi
Unnes Journal of Mathematics Education Research Vol 6 No 2 (2017): December 2017
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (356.567 KB)

Penelitian ini bertujuan untuk (1) menguji ketuntasan kemampuan komunikasi matematis siswa pada model pembelajaran MEA, (2) mendeskripsikan kemampuan komunikasi matematis berdasarkan self efficacy siswa. Penelitian ini merupakan penelitian kombinasi (mix method) tipe concurred embedded, dimana metode penelitian kualitatif lebih ditekankan. Pengumpulan data dilakukan melalui (1) pengumpulan data kuantitatif dengan tes dan kuesioner, (2) pengumpulan data kualitatif dengan wawancara, observasi, dan dokumentasi. Subjek penelitian adalah siswa kelas VIII SMP Negeri 3 Ungaran yang terdiri dari enam orang (masing-masing 2 subjek dengan self efficacy tinggi, sedang dan rendah). Penentuan subjek penelitian menggunakan teknik purposive sampling yang memilih 2 siswa dalam setiap kelompok. Hasil penelitian menunjukkan: (1) penilaian menggunakan uji ketuntasan klasikal (lebih dari 75% dari seluruh siswa kelas eksperimen tuntas secara klasikal), uji ketuntasan rata-rata (rata-rata kemampuan komunikasi matematis kelas eksperimen lebih dari KKM). Dari tahapan uji tersebut dapat diperoleh kesimpulan bahwa kemampuan komunikasi siswa pada model pembelajaran MEA mencapai ketuntasan, (2) Siswa dengan self efficacy tinggi dapat menggunakan semua indikator komunikasi matematis dengan maksimal. Sedangkan siswa dengan self efficacy sedang dan rendah belum bisa mengungkapkan ide-ide matematis secara maksimal. The purpose of this research is (1) to examine the exhaustiveness ability of students 'mathematical communication in MEA learning model, (2) to describe the ability of mathematical communication in terms of self efficacy. This research is a combination research (mix method) type concurred embedded, where qualitative research method is more emphasized. Data collection is done through (1) quantitative data collection with tests and questionnaires, (2) qualitative data collection with interview, observation, and documentation. The subjects of this research were students of class VIII of SMP Negeri 3 Ungaran consisting of six people (2 subjects each with high, medium and low self efficacy). Determination of subjects use purposive sampling technique with selected 2 students in each group. The results showed: (1) assessment using classical exhaustiveness test (more than 75% of all experiment class students are classical completeness), average exhaustiveness test (average ability of students 'mathematical communication in experimental class more than KKM). From the test phase can be concluded that the students' mathematical communication in the learning model MEA were completeness, (2) Students with high self efficacy can use all indicators of mathematical communication with the maximum. While students with moderate and low self efficacy have not been able to express mathematical ideas with the maximum.

Profile of Science Literacy Skill Domain Knowledge of SMPN 2 Bua Ponrang Yanti, Rosmalah; Prihatin, Titi; Khumaedi, Khumaedi
Journal of Primary Education Vol 7 No 1 (2018): April 2018
Publisher : Journal of Primary Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.97 KB)

The assumptions of the intelligent category of students in society are still based on the assessment of knowledge despite authentic assessment. This study aims to describe the science literacy ability of grade VII students of SMPN 2 Bua Ponrang in the knowledge domain consisting of procedural knowledge, epistemic knowledge, and content knowledge. The research method used descriptive quantitative. The sample is determined by using simple random sampling with the number of sample counted 31person. The results showed procedural knowledge of 37, 34%, epistemic knowledge of 34,91% and content knowledge of 27,94%. Maximum score obtained is 55, an average value of 39.77 and a minimum score of 20. It can be concluded improve the ability of science literacy, especially in the domain of knowledge. This research is hoped to give thought contribution in solving science literacy problem so that it can inspire to design activities and factors that can improve science literacy ability.

Identifikasi Panasbumi Krakal dengan Menggunakan Metode Geomagnetik sebagai Informasi Pengembangan dan Pembangunan Lanjutan Daerah Berpotensi Chaerunnisah, Lela Fahmi; Santoso, Ivan Hadi; Sukmaya, Fajar; Saputro, Eko; Winahyu, Diah Ika; Khumaedi, Khumaedi
Journal of Creativity Student Vol 1, No 2 (2018): October 2018
Publisher : Journal of Creativity Student

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (560.392 KB)

Potensi panas bumi Krakal terletak di Kabupaten Kebumen, Jawa Tengah. Fenomena panas bumi di daerah ini ditunjukkan dengan adanya mata air hangat yang terletak di Desa Krakal, Kecamatan Alian, Kabupaten Kebumen. Untuk memanfaatkan potensi panas bumi suatu area dibutuhkan suatu proses penelitian yang bertujuan mengidentifikasi sistem panas buminya. Metode geomagnetik merupakan salah satu metode geofisika yang sering digunakan untuk survei pendahuluan pada eksplorasi panas bumi. Pengukuran geomagnetik dilakukan dengan menggunakan alat Proton Precession Magnetometer (PPM), Global Positioning Sistem (GPS), kompas geologi, log book dan meteran. Dari pengukuran di lapangan diperoleh data intensitas medan magnet total. Pengukuran intensitas medan magnet total di sekitar Pemandian Air Panas (PAP) Krakal dilakukan di titik-titik pengukuran sebagai titik-titik sampel pengambilan data geomagnetik. Titik-titik sampel pengambilan data geomagnetik dianggap mewakili seluruh populasi yaitu batuan bawah permukaan di daerah penelitian. Analisis utama terhadap data penelitian adalah anomali magnetik di sekitar Pemandian Air Panas (PAP) Krakal. Selanjutnya data anomali diinterpretasikan dengan pemodelan untuk mendapatkan struktur batuan di bawah permukaan bumi. Hasil pengolahan dan interpretasi data menunjukkan daerah penelitian termasuk dalam kelompok anomali magnetik sedang berkisar antara -120 nT sampai 80 nT. Nilai negatif dari anomali magnetik mencerminkan efek dimineralisasi batuan sebagai akibat adanya zona temperatur tinggi, daerah ini ditafsirkan sebagai daerah prospek panas bumi.

Learning Motivation and Students' Critical Thinking Ability in Science Learning through a Problem Based Learning Model Assisted by Video Media Pertiwi, Anisa Yuni; Sri Mulyani Endang Susilowati, Sri Mulyani Endang Susilowati; Khumaedi, Khumaedi
Journal of Primary Education Articles in Press
Publisher : Journal of Primary Education

This study purpose of determining the effectiveness of PBL learning models assisted by video media on learning motivation and students 'critical thinking ability, determine the correlation between learning motivation and students' critical thinking ability. This research is an experimental research with quasi-experimental design in the form of one-group pre-test – post-test. The research subjects were 63 students of fifth grade in Public Elementary School Danareja 02 and Public Elementary School Cilongok 02 Balapulang, Tegal in the 2018/2019 academic year. Data collected by questionnaire, test, interview, documentation, and observation. Learning motivation scores are obtained by learning motivation questionnaires and critical thinking ability by test. Data of motivation and critical thinking are analyzed quantitatively by completeness test, N-Gain test, and correlation test between learning motivation and critical thinking ability. The results showed that science learning through PBL learning models assisted by video media effective to increase learning motivation and critical thinking ability on experimental class students. The result of the learning motivation N-Gain test is 0.56 medium criteria and result of the critical thinking ability N-Gain test is 0.54 medium criteria; there is a correlation between students' motivation and critical thinking ability. Learning motivation affects critical thinking ability by 34.9%, while the remaining 65.1% caused by other factors.

APPLICATION OF VERTICAL GRADIENT METHODS OF MICROGRAVITY TIME FUNCTION TO DETERMINE GROUND WATER REDUCTION IN SEMARANG PERIOD OF 2013 Khumaedi, K.; Supriyadi, S.; Pradana, A.; Imam, S.; Yusuf, M.; Sarkowi, M.
Jurnal Pendidikan Fisika Indonesia Vol 11, No 2 (2015)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v11i2.3267

The development of Semarang city requires the availability of water for daily use and industry in line with population growth. Uncontrolled use of water will damage the groundwater system. The purpose of this study was to determine the zone of the decrease of water level to obtain information about area that utilizes excess water. The method used is a micro-gravity vertical gradient between times. Gravity measurements were done at 124 points spread evenly between May and October 2013. The results showed that there was a decrease in ground water level in the Industries area Kaligawe, Tanah Mas, and Tlogosori which was identified with the vertical gradient anomaly of micro gravity between the times from May to October 2013. The regions which have high negative changes in ground water level (1.2-1.4 m / year) were the monitoring wells Madukoro 2, LIK Kaligawe and PT Aquaria which are the industrial areas. Exploitation of ground water in industrial areas is relatively high compared to the other regions.Perkembangan kota Semarang yang menuntut ketersediaan air untuk keperluan sehari-hari dan industri seiring dengan pertambahan jumlah penduduk. Pemanfaatan air yang tidak terkendali akan menyebabkan sistemÂ air tanah rusak. Tujuan penelitian ini adalah menentukan zona penurunan muka air tanah untuk memperoleh informasi daerah yang memanfaatkan air secara berlebihan. Metode yang digunakan adalah gradien vertikal gaya berat mikro antar waktu. Pengukuran gaya berat di lakukan di 124 titik yang tersebar merata pada periode Mei dan Oktober 2013. Hasil peneltian menunjukkan telah terjadi penurunan muka air tanah di lingkungan Industri Kecil Kaligawe, perumahan Tanah Mas, Perumahan Tlogosori yang ditandai dengan anomali gradien vertikal gaya berat mikro antar waktu Mei-Oktober 2013. Wilayah yang memiliki perubahan muka air tanah negative tinggi (1,2-1,4 m/tahun), berada di sekitar sumur pantau Madukoro 2, LIK Kaligawe dan PT Aquaria dimana tutupan lahan di sekitar sumur pantau tersebut merupakan kawasan industri. Eksploitasi air tanah pada kawasan industri relatif tinggi jika dibandingkan dengan kawasan lainnya.Â

IDENTIFIKASI PERTAMBAHAN PERSEBARAN LIMBAH TEMPAT PEMBUANGAN AKHIR (TPA) JATIBARANG TAHUN 2015 MENGGUNAKAN METODE GEOLISTRIK Wulandari, R S; Khumaedi, Khumaedi; Yulianti, D
Indonesian Journal of Mathematics and Natural Sciences Vol 38, No 2 (2015): October 2015
Publisher : Universitas Negeri Semarang

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Pada tahun 2000 timbunan sampah pada TPA Jatibarang yang berlokasi di Kelurahan Kedungpane Kecamatan Mijen Kota Semarang, sudah melebihi daya tampung yaitu sekitar 1,6 juta m3. Kondisi tersebut sangat berpotensi menimbulkan pencemaran lingkungan terutama pencemaran leacheat (air lindi). Oleh karena itu, dilakukan penelitian untuk mengetahui tingkat pencemaran limbah di daerah sekitar TPA Jatibarang pada tahunÂ 2015 dengan menggunakan metode geolistrik konfigurasi schlumberger. Pengambilan data dilakukan pada tiga titik penelitian, dua berada didalam TPA dan satu berada di daerah perumahan sekitar TPA dengan panjang lintasan masing-masing 75 m. Pengolahan data hasil penelitian dilakukan dengan menggunakan softwareres2dinv. Hasil yang didapatkan berupa kondisi topografi serta nilai resistivitas lindi sebesar 0,044-0,70 â„¦m. Persebaran lindi pada tahun 2015 menuju ke daerah dengan elevasi rendah yang mengarah ke Sungai Kreo. Sedangkan persebaran lindi pada lokasi penelitian di Perumahan Bambankerep Kecamatan Ngaliyan Kota Semarang juga telah diidentifikasikan tercemar oleh air lindi yang diduga berasal TPA Jatibarang.In 2000, piles of garbage in the landfill is located in the Village Jatibarang Kedungpane Mijen District of Semarang, has exceeded the capacity of around 1.6 million m3. The condition is potentially causing environmental pollution, especially pollution leacheat (leachate). Therefore, to investigate the pollution level of waste in the area around the landfill Jatibarang 2015 using geoelectric method Schlumberger configuration. Data were collected at three points research, two are in the landfill and one is located in a residential area around the landfill with a path length of each- each 75 m. Data processing results of research conducted by using softwareres2dinv. Results obtained in the form of topography and leachate resistivity value of 0.044 Î©m- 0.70 Î©m. Distribution of leachate in 2015 heading to areas with low elevation that leads to the River Kreo. While the spread of leachate at research sites in Housing Bambankerep Ngaliyan District of Semarang has been identified contaminated by leachate from the landfill Jatibarang suspected.

INTERPRETASI STRUKTUR BAWAH PERMUKAAN DAERAH MATA AIR PANAS KRAKAL KEBUMEN DENGAN METODE GEOLISTRIK Fauziyah, S; Khumaedi, Khumaedi; Linuwih, S
Indonesian Journal of Mathematics and Natural Sciences Vol 38, No 2 (2015): October 2015
Publisher : Universitas Negeri Semarang

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Energi geothermal merupakan salah satu kekayaan sumber daya alam yang sedang dikembangkan. Salah satu kawasan geothermal tersebut adalah kawasan wisata mata air panas Krakal, Kebumen. Sumber daya alam geothermal tersebut dikembangkan sebagai objek wisata. Dalam pengembangannya, belum ada informasi struktur bawah permukaan daerah wisata tersebut. Penelitian ini bertujuan untuk mengetahui gambaran struktur bawah permukaan daerah mata air panas Krakal. Pengambilan data dilakukan dengan metode geolistrik konfigurasi schlumberger pada 5 lintasan dengan 3 titik sounding tiap lintasan. Pengolahan data menggunakan software Progress dan Surfer 10.Â Hasil pengolahan data menunjukkan struktur bawah permukaan tersusun oleh 3 lapisan batuan yaitu batu pasir dengan kisaran nilai resistivitas kurang dari 10 Î©m dan ketebalan hingga 20 meter, batu lempung berpasir Â dengan rentang nilai resistivitas 10-50 Î©m dan ketebalan mencapai 20 meter, dan batu lempung gamping dengan kisaran resistivitas 50-65 Î©m dan ketebalan 20 meter. Anomali resistivitas rendah mengindikasikan adanya akuifer air panas dan air dingin yang muncul ke permukaan.Â Â Geothermal energy is one of the wealth of natural resources that are being developed. One such area is the tourist area of geothermal hot springs Krakal, Kebumen. Natural geothermal resources were developed as a tourist attraction. In its development, no information on subsurface structure of the tourist area. This study aims to reveal the subsurface structure of the Hot Springs area Krakal. Data collection was performed by Schlumberger configuration geoelectric method in five 3-point sounding track with each track. Data processing using the software Surfer Progress and 10. The results of the processing of the data showed subsurface structure is composed of 3 layers of rock is sandstone with a range of resistivity values of less than 10 Î©m and a thickness of up to 20 meters, sandy clay stone with a range of values of resistivity 10-50 Î©m and thickness reaches 20 meters, and limestone clay stone with a resistivity range of 50-65 Î©m and a thickness of 20 meters. Low resistivity anomalies indicate the presence of water aquifers hot and cold water that comes to the surface.

Co-Authors - Supliyadi - Sutikno A Hendrawati, A A. Pradana, A. A. Rusilowati Agus Yulianto Ahmad Qosim, Ahmad Al Qodri, Muhammad Wakhid Ani Rusilowati Arini, Affita Nur Arofah, Sitta Khusniati Arum Setiarini Chaerunnisah, Lela Fahmi Chaerunnisah, Lela Fahmi D Yulianti, D Duwi Nuvitalia DWI YULIANTI Eko Saputro, Eko Ernawati Saptaningrum Fauzia, Annisa Rahma Fiandralekha Fiandralekha, Fiandralekha Fianti Fianti, Fianti FV Daraninggar Hadi Susanto Hadromi - Hafidzah, Hafidzah Haji, Muhammad Ismail Hardi Suyitno Hartono Hartono I. K. Setiawati Ikhbar Nur Jiwanto, Ikhbar Nur Ikramullah, Muh. Chaerul Irmayani Irmayani Juhrani, Juhrani Kurniawati, Ike Lestari, Annisa Faurina Lurinda, Nadia Wahyu M Yusuf M. Sarkowi, M. M. Taufiq M. Yusuf Muchsin Muchsin MUHAMMAD AGUS SUPRAYUDI Muzakkir Muzakkir N. Hindarto N. Millah Nathan Hindarto Nisa, Narita Ainun Nur Qudus Nurul Fuady Adhalia H P Dwijananti P. Dwijanant P. Kurnianto P. R. Nilasari Pertiwi, Anisa Yuni Purnami, Erni Sri Putriani, A. Ika R S Wulandari, R S R.N Panca, R.N Rahmawati, Himmatul Rifaldy Atlant Tungga Rizka Silviana Hartanti, Rizka Silviana Rohana, Ilma Nor S Fauziyah, S S Linuwih, S S. Imam, S. S. Supriyadi, S. S.E. Sukiswo Saerozi Saerozi, Saerozi Santoso, Ivan Hadi Santoso, Ivan Hadi Siti Khanafiyah Sri Mulyani Endang Susilowati, Sri Mulyani Endang Susilowati Sugianto Sugianto Suharto Linuwih Sukiswo Supeni Edie, Sukiswo Supeni Sukmaya, Fajar Sukmaya, Fajar Sunyoto Eko Nugroho, Sunyoto Eko Supriyadi - Supriyadi Supriyadi Syam, Nur Azisah Taufika Damayanti Titi Prihatin Tri Joko Raharjo Triyan Dewi Noor Sani Upik Nurbaiti Veithzal Rivai Zainal Widayati, Niken Tri Winahyu, Diah Ika Winahyu, Diah Ika Yanti, Rosmalah

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