Rahman, Taufik, and Fauzia Nisa. “Pengaruh Model Problem Based Learning Dengan Strategi Everyone Is A Teacher Here Terhadap Kemampuan Komunikasi Matematis Dan Self-Confidence Siswa SMP”. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika 2, no. 2 (April 30, 2020): 148–159. Accessed April 20, 2024. http://journal.upp.ac.id/index.php/absis/article/view/336.