Abidin, Zainal. “Pembelajaran IPA Berbasis Problem Based Learning Ditinjau Dari Keterampilan Proses Sains Siswa”. Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan 3, no. 4 (October 30, 2023): 199–205. Accessed October 26, 2025. https://e-journal.lp3kamandanu.com/index.php/panthera/article/view/232.