Ratnawati, Dewi, Isnaini Handayani, and Windia Hadi. “Pengaruh Model Pembelajaran Pbl Berbantu Question Card Terhadap Kemampuan Berpikir Kritis Matematis Siswa Smp”. Edumatica : Jurnal Pendidikan Matematika 10, no. 1 (April 26, 2020): 44-51. Accessed January 4, 2025. https://mail.online-journal.unja.ac.id/edumatica/article/view/7683.