Widianjani, Widianjani, Lamlam Patimah, & Lia Saniah. " KOMUNIKASI MATEMATIS MELALUI PENERAPAN PROBLEM BASED LEARNING (PBL) DI SMK KESEHATAN CIANJUR." Symmetry: Pasundan Journal of Research in Mathematics Learning and Education [Online], 6.2 (2021): 123-132. Web. 2 Jul. 2022