“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)”. 2022. Jurnal Pengabdian Isola 1 (1): 29-36. https://ejournal-science.upi.edu/jpi/article/view/1508.