Yustiana, Ara, Edi Syahputra, and Anita Yus. “Differences in Spatial Mathematical Ability of Students Given A Model Learning Realistic Mathematis Education With STAD Type Of Cooperative Learning”. Jurnal Cendekia : Jurnal Pendidikan Matematika 4, no. 2 (November 2, 2020): 1023-1033. Accessed June 25, 2025. https://www.j-cup.org/index.php/cendekia/article/view/348.