Astuti, Sri Puji, Titin Titin, Ruwiyati Ruwiyati, and Erniwati Sinaga. “Meningkatkan Keterampilan Proses Sains (KPS) Peserta Didik Menggunakan Model Pembelajaran Problem Based Learning (PBL) Pada Kelas X MIPA Di SMA Negeri 6 Pontianak”. EDUKASI 23, no. 2 (January 3, 2026). Accessed June 2, 2026. https://ejournal.unkhair.ac.id/index.php/edu/article/view/6181.