Skrining fitokimia ekstrak n-heksan korteks batang Salam (Syzygium polyanthum) AI Habibi, RA Firmansyah, SM Setyawati Indonesian Journal of Chemical Science 7 (1), 1-4, 2018 | 124 | 2018 |
Mengungkap rahasia buah kurma dan zaitun dari petunjuk hadis dan penjelasan sains E Soebahar, E Daenuri, A Firmansyah ULUL ALBAB Jurnal Studi Islam 16 (2), 191-214, 2015 | 36 | 2015 |
Pengembangan modul kimia berbasis kearifan lokal Kota Semarang pada materi larutan asam dan basa M Riza, RA Firmansyah, M Zammi, D Djuniadi JIPVA (Jurnal Pendidikan IPA Veteran) 4 (1), 25-38, 2020 | 18 | 2020 |
Synthesis of bio-additive for low sulphur diesel: Transesterification of soybean oil and ethylene glycol using K2CO3 catalyst RAB Hariyanto, RA Firmansyah, RYP Burhan, Y Zetra Automotive Experiences 4 (1), 44-50, 2021 | 9 | 2021 |
Pengembangan Petunjuk Praktikum Kimia Berbasis Pogil (Process Oriented Guided Inquiry Learning) Bermuatan Swh (Science Writing Heuristic) Pada Materi Stoikiometri Kelas X Di Ma … S Zumronah, R Firmansyah, M Zammi Phenomenon: Jurnal Pendidikan MIPA 9 (1), 77-86, 2019 | 8 | 2019 |
Analisis Keterampilan Dasar Mengajar Guru Kimia yang mengkuti MGMP MIPA AA Habibi, RA Firmansyah Journal of Educational Chemistry (JEC) 1 (1), 9-14, 2019 | 7 | 2019 |
Synthesis and characterization of diesel lubricity enhancer through transesterification reaction of palm oil with 1, 2-ethanediol Y Zetra, SMW Sholihah, RYP Burhan, RA Firmansyah Automotive Experiences 4 (2), 104-111, 2021 | 6 | 2021 |
Effectiveness of Hands on Minds on Activities Based on SocioScientific Issue on Scient Literation M Ulum, RA Firmansyah, A Fibonacci Paedagogia 22 (2), 159-170, 2019 | 6 | 2019 |
Aktivitas Daun Jambu Air (Syzygium Samarangense (BL.) Merr Et. Perry) serta Optimasi Suhu dan Lama Penyeduhan U Albab, RR Nirwana, RA Firmansyah Walisongo Journal of Chemistry 1 (1), 18-30, 2018 | 6 | 2018 |
Pengembangan Modul Berbasis Representasi Kimia pada Materi Asam Basa J Savitri, RA Firmansyah, T Wibowo Pendidikan Kimia Fakultas Sains Dan Teknologi, UIN Walisongo 1 (6), 11-21, 2018 | 6 | 2018 |
Kualitas Keterampilan Proses Sains Siswa yang Terbiasa Teacher-Centered Learning Melalui Process Oriented Guided Inquiry Learning RA Firmansyah, U Khumaidah JTK (Jurnal Tadris Kimiya) 2 (2), 130-144, 2017 | 4 | 2017 |
The Development of Triglyceride-Based Additives and Their Lubricity Properties for Low Sulfur Fossil Diesel: A Review RA Firmansyah, RY Perry Burhan, Y Zetra, D Prasetyoko Journal of Tribology 144 (10), 100801, 2022 | 3 | 2022 |
Synthesis of 2-Hydroxyethyl Esters from Castor Oil as Lubrication Bio-Additive Candidates for Low-Sulfur Fossil Diesel A Firmansyah, Y Zetra, RYP Burhan, D Prasetyoko, N Jamarun Indonesian Journal of Chemistry 22 (3), 845-856, 2022 | 3 | 2022 |
Keefektifan Hands on Minds on Activities Berbasis Socioscientific Issue Terhadap Literasi Sains M Ulum, RA Firmansyah, A Fibonacci Jurnal Penelitian Pendidikan 22 (2), 99-120, 2019 | 2 | 2019 |
Aktifitas Kitosan-Glukosa Sebagai Pengawet Ikan Bandeng Duri Lunak OI Wardani, RA Firmansyah, SM Setyawati Walisongo Journal of Chemistry 1 (1), 37-44, 2018 | 2 | 2018 |
Skrining Fitokimia Ekstrak n-Heksan Korteks Batang Salam (Syzygium polyanthum), Indo AI Habibi, RA Firmansyah, M Setyawati J. Chem. Sci 7 (1), 2018 | 2 | 2018 |
Inexpensive electrolysis of batik waste water: Project-based learning (PjBL) in MA Salafiyah Simbang Kulon Pekalongan, Indonesia RA Firmansyah, I Rohmatina AIP Conference Proceedings 1911 (1), 2017 | 2 | 2017 |
Mengungkap Rahasia Buah Kurma dan Zaitun dari Petunjuk Hadis dan Penelasan Sains RA Firmansyah Jurnal Ulul Albab 16, 0 | 2 | |
The Ability of Students’ Scientific Argumentation of Acid-Base and Buffer Solution through Science Writing Heuristic (SWH) RA Firmansyah, LH Kumala TARBIYA: Journal of Education in Muslim Society 5 (2), 166-177, 2018 | 1 | 2018 |
Antioxidant activity and antibacterial seaweed methanol extract (Sargassum duplicatum J. Agardh) and its potential as a natural preservative alternative to salted eggs SB Firmansyah, RA Firmansyah, N Hayati Journal of Natural Sciences and Mathematics Research 2 (1), 133-142, 2017 | 1 | 2017 |