Kurniati, Oswaldin Siana, Sumadji Sumadji, and Vivi Suwanti. “MODEL PROBLEM BASED LEARNING DALAM PEMBELAJARAN MATEMATIKA TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA”. RAINSTEK : Jurnal Terapan Sains & Teknologi 1, no. 4 (December 26, 2019): 29–36. Accessed June 15, 2024. https://ejournal.unikama.ac.id/index.php/jtst/article/view/3649.