Firman, Harry, Universitas Pendidikan Indonesia, Indonesia

• Vol 1, No 1 (2017): Journal of Science Learning - Technology-integrated Science Learning
  The Profile of Students’ Critical Thinking Measured through Science Virtual Test on 9th Grade in The Theme of Living Things and Environmental Sustainability
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• Vol 1, No 1 (2017): Journal of Science Learning - Technology-based Science Learning Assessment
  The Development and Validation of Science Virtual Test to Assess 7th Grade Students' Critical Thinking on Matter and Heat Topic
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• Vol 24, No 1 (2019): JPMIPA: Volume 24, Issue 1, 2019 - Articles
  TRANSFORMING TRAINING INTO PRACTICE: TEACHER PROFESSIONAL DEVELOPMENT PARTICIPANTS’ CLASSROOM PRACTICE IN APPLYING THEMATIC LEARNING FOR TEACHING ENVIRONMENTAL ISSUES
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• Vol 17, No 1 (2012): JPMIPA: Volume 17, Issue 1, 2012 - Articles
  DAMPAK UJIAN BERISIKO TINGGI TERHADAP PROSES MENGAJAR DAN BELAJAR KIMIA DI SEKOLAH MENENGAH ATAS
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• Vol 20, No 2 (2015): JPMIPA: Volume 20, Issue 2, 2015 - Articles
  PENGEMBANGAN TES DIAGNOSTIK TWO-TIER BERBASIS PIKTORIAL UNTUK MENGIDENTIFIKASI MISKONSEPSI SISWA PADA MATERI LARUTAN ELEKTROLIT DAN NONELEKTROLIT
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• Vol 1, No 1 (2022): JPI: VOLUME 1, ISSUE 1, 2022 - Articles
  Deepening Learning and Material on Atomic Structure and Periodic Properties of Elements for Teachers in the Pangandaran Region [Pendalaman Pembelajaran serta Materi Struktur Atom dan Sifat Periodik Unsur untuk Guru di Wilayah Pangandaran]
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