Madhavia, Putri, Atma Murni, and Sehatta Saragih. “Pengaruh Model Problem Based Learning Terhadap Kemampuan Komunikasi Matematis Siswa Kelas VII SMP Kabupaten Kuantan Singingi”. Jurnal Cendekia : Jurnal Pendidikan Matematika 4, no. 2 (November 15, 2020): 1239-1245. Accessed April 16, 2024. https://j-cup.org/index.php/cendekia/article/view/357.