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All Journal Jurnal Inovasi Pendidikan Kimia Rekayasa Mesin Jurnal Pseudocode AGRIVITA, Journal of Agricultural Science Phenomenon : Jurnal Pendidikan MIPA Jurnal Tadris Kimiya Chemistry in Education Indonesian Journal of Chemical Science Jurnal Global Citizen : Jurnal Ilmiah Kajian Pendidikan Kewarganegaraan Indonesian Journal of Pure and Applied Chemistry Jurnal Ilmiah Sinus STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Jurnal Abdi Insani JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) TIN: TERAPAN INFORMATIKA NUSANTARA Indonesian Community Service and Empowerment Journal (IComSE) Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Jurnal Pendidikan dan Teknologi Indonesia Abdi Masya Pendagogia: Jurnal Pendidikan Dasar Jurnal Abdimas Kartika Wijayakusuma Law Development Journal Agroteksos Verstek Schrodinger : Jurnal Ilmiah Mahasiswa Pendidikan Fisika Journal of Innovation Research and Knowledge Makara Journal of Science Jurnal Aplikasi Sistem Informasi dan Elektronika Kultura: Jurnal Ilmu Sosial dan Humaniora Nusantara Journal of Education and Social Science Jurnal Teknologi dan Rekayasa Alat Berat (JTRAB) Bioma : Jurnal Ilmiah Biologi PESHUM Jurnal Inovasi Pendidikan Kimia Journal of Community Empowerment
Harjono Harjono
Fakultas Kehutanan Universitas Gadjah Mada
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Social Sciences Veterinary Other

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Aplikasi Pembelajaran Matematika “MatAsik” Untuk SD/MI Berbasis Android Menggunakan Kodular Ningsih, Nuning Melia; Harjono, Harjono; Purbasari, Dita Anggi; Ulya Dhina, Karina Octamardia
Jurnal Ilmiah SINUS Vol 23, No 2 (2025): Vol. 23 No. 2, Juli 2025
Publisher : STMIK Sinar Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30646/sinus.v23i2.933

Abstract

The development of technology, especially computers, can be used as a tool to create learning media, while mobile phones, especially Android-based ones, can be used as a means to deliver learning media. Based on interviews and observations in class, the researcher concluded that teachers have not been optimal in using learning media so that students are interested in learning, especially mathematics. Therefore, the creation of Android-based Mathematics learning media can make learning easier, more fun and more practical. This learning application is designed to be simple, efficient and easy to operate by users, especially elementary school students. This study aims to create an Android-based mathematics learning application using the class V code for elementary schools/Islamic elementary schools as an independent learning medium and to help increase students' interest in learning. The research method used is the extreme programming method which includes the stages of planning, design, coding, and testing which are calculated based on the Likert scale.  The results of the study showed that the average respondent strongly agreed that the application is suitable for use as an alternative android-based mathematics learning media using Kodular with the hope that students are happy and motivated to learn mathematics.
Analisis Resiko Fuel System Terhadap Kasus Low Power Engine Performance pada Unit Asphalt Finisher di PT. PP Presisi Widada, Reza Ananda; Prihadianto, Braam Delfian; Wibowo, Setyawan Bekti; Harjono, Harjono
Jurnal Teknologi dan Rekayasa Alat Berat Vol 1 No 2 (2024): JTRAB Volume 1, No 2, 2024
Publisher : Department of Mechanical Engineering, Vocational College, Gadjah Mada University.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtrab.v1i2.11051

Abstract

The fuel system plays an important role in the BOMAG BF 800 C Asphalt Finisher unit operating in road paving work. The engine performance of the BOMAG BF 800 C Asphalt Finisher unit will decrease if no fuel system is checked immediately. The purpose of this study is to analyze the fuel system that causes low power engine performance in the BOMAG BF 800 C Asphalt Finisher unit. The method used to solve these problems is a qualitative method using Fault Tree Analysis (FTA) analysis and Failure Mode and Effect Analysis (FMEA) as well as quantitative methods by calculating the mean time to failure (MTTF) and mean time to repair (MTTR) in accordance with the track record of using and repairing the BOMAG BF 800 C Asphalt Finisher unit. Based on the results of research that has been done, it is stated that the RPN value of the fuel injector is 324 and the fuel filter is 168. This calculation makes these components the most critical components in the case of low power engine performance. The specified maintenance activity interval on the fuel injector is 84 hours and the fuel filter is 35 hours.
MENGURAI PERAN GANDA PEMERINTAH DAERAH DALAM PENGEMBANGAN PARIWISATA BERKELANJUTAN (STUDI KRITIS DI KAWASAN WISATA TAWANGMANGU) Purwanti, Purwanti; Samsi, Samsi; Yitno Puguh Martomo; Harjono, Harjono
Journal of Innovation Research and Knowledge Vol. 5 No. 4: September 2025
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sustainable tourism development poses a significant challenge for local governments in maintaining a balance between economic, social, and environmental interests. However, the multiple roles played by local governments often face structural and operational obstacles. This study aims to critically examine how the Karanganyar Regency Government fulfills its roles as a motivator, facilitator, and dynamizer in promoting sustainable tourism in the Tawangmangu tourism area. This research employs a qualitative approach using a case study strategy, collecting data through in-depth interviews, participatory observation, and documentation involving informants from government agencies, tourism managers, business actors, and tourists. Data analysis follows the interactive model of Miles, Huberman, and Saldana. The findings indicate that the facilitator role is the most dominant in tourism development efforts, while the roles of motivator and dynamizer are present but not yet optimal. Supporting factors include natural potential, local cultural richness, and policy support, while the main obstacles consist of limited budget allocation, weak cross-sector coordination, and low public awareness of environmental issues. The study concludes that strengthening multi-stakeholder collaboration and integrating cross-sectoral policies are strategic steps to ensure the sustainability of tourism in Tawangmangu
PBL-TARL-CRT: INTEGRATING INNOVATIVE APPROACHES TO IMPROVE SCIENCE LEARNING OUTCOMES IN GRADE 8 Sonya, Mellyaning Oktaviani Sonya Kirana Sari; Harjono, Harjono
BIOMA : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2024): April 2024
Publisher : Prodi Pendidikan Biologi, FPMIPATI, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v13i1.693

Abstract

This study explores the integration of three innovative learning approaches, namely Problem-Based Learning (PBL), Teaching at the Right Level (TaRL), and Culturally Responsive Teaching (CRT), in improving learning outcomes in Science in grade 8. In education as a pillar of state-building and character-building, these approaches provide a foundation for effective and meaningful learning. PBL places students as agents of learning by providing real challenges, while TaRL adapts learning to students' ability levels, and CRT utilizes students' cultures and experiences for more meaningful learning. An experiment at Junior High School 25 Semarang showed significant improvements in student learning outcomes, learning motivation, and student character. Quantitative analysis confirmed the improvement in learning outcomes, while interviews revealed positive changes in students' learning motivation and character. However, challenges in learning implementation were also shown, including the need to increase diversity in teaching methods, pay attention to students' needs, and create an interactive learning environment. This study shows that the integration of PBL, TaRL, and CRT is promising in improving science learning outcomes and shaping students' characters. However, continuous efforts to improve the quality of learning and the role of teachers are essential to achieving optimal learning goals and creating a bright and characterful generation.
ANALISIS YURIDIS HAK EX OFFICIO DALAM MELINDUNGI PEREMPUAN YANG BERHADAPAN DENGAN HUKUM SEBAGAI PIHAK Winta, Khoirin; Harjono, Harjono
Kultura: Jurnal Ilmu Hukum, Sosial, dan Humaniora Vol. 2 No. 3 (2024): Kultura: Jurnal Ilmu Hukum, Sosial, dan Humaniora
Publisher : Kultura: Jurnal Ilmu Hukum, Sosial, dan Humaniora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/kultura.v2i3.1109

Abstract

Penelitian ini mempunyai tujuan untuk menelaah ratio decidendi hakim dalam menerapkan hak ex officio yang diterapkan oleh Hakim dalam Putusan Nomor 379/Pdt.G/2021/PA.Bjb dan Putusan Nomor 203/Pdt.G/2021/PA.Srog dan menganalisis kemampuan hak ex officio yang diterapkan oleh hakim dalam kedua putusan tersebut terhadap perlindungan bagi perempuan sebagai pihak dalam perkara perceraian guna menjamin hak-haknya. Penelitian ini dilakukan melalui penelitian hukum normatif yang bersifat deskriptif yakni dengan cara memberikan gambaran mengenai hasil penelitian dengan menggunakan pendekatan kasus, namun penelitian tidak dijustifikasi oleh peneliti. Jenis data yang digunakan dalam penelitian ini adalah bahan hukum primer dan bahan hukum sekunder. Hasil penelitian ini, didapatkan bahwa Hakim dalam memutus perkara perceraian pada kedua putusan tersebut menerapkan hak ex officio dengan memberikan pertimbangan berdasarakan aspek yuridis, sosiologis, dan filosofis dengan berpedoman pada Pasal 41 Undang-Undang Perkawinan juncto Pasal 149 Kompilasi Hukum Islam dan PERMA Nomor 3 Tahun 2017 yang secara khusus menegaskan untuk memberikan perlindungan kepada perempuan melalui pemberian nafkah iddah, mut’ah, nafkah madhiyah dan nafkah anak sebagai wujud jaminan terhadap hak-hak perempuan sebagai akibat perceraian.
Analisis Keamanan Website Pendaftaran Mahasiswa Baru Dengan Munggunakan Metode Vulnerability Assessment Hafsari, Sherli Ameilia; Harjono, Harjono
TIN: Terapan Informatika Nusantara Vol 4 No 11 (2024): April 2024
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v4i11.5060

Abstract

The website plays an important role in the educational context, such as in managing the academic system, accepting new students, and other functions. Publications carried out online by utilizing the official campus website can make it easier for parents or student registrants from areas outside the city or even outside the island to find complete information about the desired university. Universitas Muhammadiyah Purwokerto has an online student registration system through a pmb.ump.ac.id website. An agency or organization can suffer losses if the information obtained falls to unauthorized parties, so an information system must have the ability to overcome and stop the desired bad steps. To prevent these events, this research was applied using the Vulnerability Assessment method with the aim of obtaining information on security gaps and vulnerabilities on the new student registration website of Universitas Muhammadiyah Purwokerto. The test results obtained using the vulnerability tool found a number of security holes on the new student registration website of the University of Muhammadiyah Purwokerto. Researchers have provided several recommendations to address the findings of security holes that can be used.
Improving Chemistry Teacher Competence in Compiling Chemistry Learning Modules Oriented to Strengthening Pancasila Student Profiles  Assisted by the GPT Chat Application Sudarmin, Sudarmin; Dewi, Siti Herlina; Susatya, Eko Budi; Harjono, Harjono; Kasmui, Kasmui; Eralita, Norma; Pujiastuti, Rr. S.E; Damayanti, Yosephine Debbie
Journal of Community Empowerment Vol. 4 No. 1 (2024): Journal of Community Empowerment
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The community service activity's background stems from observations, interviews, and data collected during Field Experience Practice and Teacher Professional Education mentoring activities for prospective science and chemistry education teachers. It was identified that candidates need enhancement in developing chemistry teaching modules oriented toward the Pancasila Student Profiles (PSP). The activity aims to address this issue by providing competency training in preparing chemistry teaching modules oriented to Pancasila Student Profiles using the GPT Chat application. The target audience for the activity includes chemistry teachers who are members of MGMP Semarang and Kudus, with approximately 25 participants. The activities include training and mentoring through In-House Training, assistance in creating chemistry teaching modules oriented towards Pancasila Student Profiles, and assessment of the developed teaching modules. Based on the data from the community service activity implementation, the following conclusions can be drawn: (1) training participants have increased their competency in compiling chemistry teaching modules oriented towards strengthening the profile of Pancasila students, (2) chemistry teaching modules oriented towards strengthening the profile of Pancasila students have been produced with good and excellent quality, (3) the response of the target audience from the community service activity indicates a positive impact.
SISTEM PEMESANAN SCORE FUTSAL STADIUM BERBASIS ANDROID Harjono, Harjono; Wahyudi, Dian
IPTEQ Vol 3, No 1 (2021): JASIE
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jasie.v3i1.5419

Abstract

Olahraga merupakan kegiatan yang sangat berguna untuk meningkatkan daya tahan tubuh seseorang agar tidak mudah sakit.  Saat ini futsal menjadi salah satu olah raga yang banyak diminati oleh masyarakat Indonesia dari berbagai jenis olah raga yang ada. Score Futsal Stadium merupakan sebuah bidang usaha jasa penyewaan lapangan futsal yang berada di Dukuh Waluh Purwokerto Kabupaten Banyumas. Sistem penyewaan lapangan di Score Futsal Stadium masih menggunakan cara manual. Pelanggan harus datang secara langsung untuk memesan lapangan futsal kemudian petugas mencatat identitas pelanggan yang memesan, lapangan yang dipesan, serta waktu berupa tanggal dan jam yang telah ditentukan. Pemesanan secara manual tersebut banyak dikeluhkan pelanggan,oleh karena itu diperlukan sebuah sistem yang dapat mempermudah pelanggan untuk melakukan penyewaan lapangan futsal. Penelitian ini bertujuan membangun sistem pemesanan lapangan Score Futsal Stadium berbasis android. Metode pengembangan sistem dengan menggunakan metode waterfall. Dengan adanya sistem tersebut pelanggan dapat memesan lapangan futsal lewat gadget dari mana saja. Pelanggan tidak perlu datang ke lokasi untuk  melihat jadwal yang tersedia dan melakukan pemesanan.
Perancangan Sistem Informasi Rekam Medis di Klinik Pramesthi Health Care Kalimantan Selatan Harjono, Harjono; Nur Hidayat, Taufiq Wahyu; Utami, Desi Tri
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 9, No 2 (2024)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/string.v9i2.25075

Abstract

SINTESIS, KARAKTERISASI, DAN APLIKASI POLIANILIN SEBAGAI POLIMER KONDUKTIF DALAM TEKNOLOGI MODERN: A REVIEW Rifa'i, Fitra Ahmad; Saputra, Dewa Kahfi; Apriliana, Mahatma; Abidin, Luthfa Abibah Nur; Harjono, Harjono
Indonesian Journal of Pure and Applied Chemistry Vol 8, No 2 (2025)
Publisher : Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/indonesian.v8i2.94479

Abstract

Polyaniline (PANI) is a widely studied conductive polymer known for its high electrical conductivity, environmental stability, and ease of synthesis. This review critically summarizes the chemical and electrochemical synthesis routes of PANI, along with its structural and electronic characterization using FTIR, UV"“Vis Spectroscopy, X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), electrical conductivity analysis, and X-ray Photoelectron Spectroscopy (XPS). Furthermore, it highlights the recent advancements in PANI applications across modern technologies, including chemical sensors, biosensors, supercapacitors, lithium-ion batteries, and biomedical devices. By analyzing 68 peer-reviewed articles published within the last decade, this work emphasizes the impact of synthesis parameters and structural modifications on the functional performance of PANI. While PANI offers promising potential, challenges like poor solubility and mechanical limitations remain. This review aims to bridge synthesis, structure, and application relationships and propose future directions for enhancing PANI"™s multifunctionality through nanocomposites and dopant engineering.
Co-Authors - Jumaeri Abidin, Luthfa Abibah Nur Adityo Wahyu Wikanto Aeni, Holidatul Agung Purwo Wicaksono Agung Tri Prasetya Ali Arif Setiawan Amalia Choirni Sovawi, Amalia Choirni Apriliana, Mahatma Arfa, Nafilatul Artani, Amalina Atikah Indriastuti Ayu Cendana, Chinta Celi Bramasto, Alwin Bobby Cahyaningrum, Intan Cepi Kurniawan Damayanti, Yosephine Debbie Dani, Jeratallah Aram Dani Dewi, Siti Herlina Dian Wahyudi Drestajumna, Putu Dwi, Itok Edy Cahyono Eka Purwaningsih Endang Susilaningsih Ermadi Satriya Wijaya, Ermadi Satriya Estiko, Dendi Milnanda Fardhila, Widityana Ayu Farhanah, Atikah Alya Feliana, Kiki Feliana, Kiki Feri Wibowo Fitriana, Syalsa Bella Fitriyaningsih, Afi Hafsari, Sherli Ameilia Hakim, Mansur Hakim, Yusufi Ahmad Fathul Hanuring Ayu Ardhani Putri Hastuti, Vidya Dwi Hastuti, Vidya Dwi Heri Hartanto Herwin Sulistyowati, SH,MH Holifah, Siti Holifah, Siti Irawati Irawati Irsal Revanza ITOK DWI KURNIAWAN Izzania, Rahma Annisa Kadek Evinka Yuristin, Kadek Evinka Kasmui -, Kasmui Khavilla, Vidya Putri Kusmanto, Harjito Kusoro Siadi Lestari, Fina Ayu Lestari, Melinda Dwi Lestari, Melinda Dwi Lestari, Rika Ayu M.Burhanudin Marfina, Apriza Margareta Dian Purnamasari, Margareta Dian Mas’ud, Zainal Alim Mayasari, Ana Murbangun Nuswowati Nanik Wijayati Ningsih, Nuning Melia Norma Eralita Novitasari, Yeni Nufus, Khayatun Nufus, Khayatun Nuning Melianingsih, Nuning Nur Farikha, Jihan Rona Nur Hidayat, Taufiq Wahyu Nur Wijayanti, Christina Nurhayati Nurhayati Nurhidayat, Taufik Nurul Arifin Nuryanto Nuryanto Poundra, Emmanuelle Pramuktisari, Nindita Prasetyaningtyas, Renata Putri Prasetyaningtyas, Renata Putri Prasetyo, Ridho Prihadianto, Braam Delfian Pujiastuti, Rr. S.E Purbasari, Dita Anggi Purnomo, Muhammad Ikhwannusyifa PURWANTI PURWANTI Purwantiningsih Sugita Putri Maha Dewi, S.H., M.H Putri, Adhina Choiri Putri, Eno Sukarno Putri, Gustita Arnawati Rakhmawati, Indri Rifa'i, Fitra Ahmad Rihmahwati, Melly Riyanto, Ari Fajar Rosalina Ananta, Rosalina S Mursiti Safrudin Yudowibowo Saiful Fatihin, Saiful Samsi Samsi Samuel Budi Wardana Kusuma, Samuel Budi Wardana Samuel Budi Wardhana Kusuma Saputra, Dewa Kahfi Sari, Hanifah Kartika Savitri, Retno Wahyu Sembiring, Rinawati Septiningsih, Ismawati Setyanavanny, Thessalonika Kris Setyaningrum, Rizka Indriani Setyawan Bekti Wibowo Sharif, Aisyah Mohamad Sigit Priatmoko Siti Istiningsih, Siti SITI MUSLIMAH WIDYASTUTI Soeadgihardo Siswantoro Soehartono Soehartono Sonya, Mellyaning Oktaviani Sonya Kirana Sari Sri Haryani Sri Nurhayati Sri Puji Lestari Sri Susilogati Sumarti Sri Wahyuni Sri Wahyuningsih Yulianti, Sri Wahyuningsih SRI WARDANI Sudarmin Sudarmin Sudarmin Sudarmin Sugiyanto - Sukarne, Sukarne Supartono - Supartono, Tono Supartono, Tono Supriyono Supriyono Surojo, Surojo Susanti Tasik Susanto, Aris Tri Susanto, Aris Tri Susatya, Eko Budi Sutaryono, Yusuf Akhyar Syahrial, Yoppi Syaifullah, Jahid Tri Handayani Tri Prasetya, Agung Ulya Dhina, Karina Octamardia Utami, Desi Tri Vebera Maslami Widada, Reza Ananda Widayani, Anis Widayani, Anis Widianto, Farhan Winta, Khoirin Woro Sumarni Yitno Puguh Martomo Yoga Budi Bhakti Yulianingsih, Prita Zahro, Ainu Ilmiatuz Zakki Adlhiyati