Hikmah, Nur, and Tatag Siswono. “Profil Collaborative Problem Solving Siswa Kelas IX Dalam Memecahkan Masalah Aljabar”. Jurnal Cendekia : Jurnal Pendidikan Matematika 4, no. 2 (August 14, 2020): 701-710. Accessed April 16, 2026. https://j-cup.org/index.php/cendekia/article/view/262.