“Workshop of Material Deepening and Designing Learning Plans with Problem-Based Learning (PBL) Model on Acid-Base Materials (Workshop Pendalaman Materi dan Perancangan Rencana Pembelajaran dengan Model Problem-Based Learning (PBL) Pada Materi Asam Basa)”, JPI, vol. 1, no. 1, pp. 29–36, Jun. 2022, Accessed: Oct. 09, 2026. [Online]. Available: https://ejournal-science.upi.edu/jpi/article/view/1508