Anin, Fendy Reza, and Kurnia Putri Sepdikasari Dirgantoro. “Application of Contextual Problems to Help Students Mathematic Understanding Ability in Science and Social Class Grades XI”. Mathline : Jurnal Matematika dan Pendidikan Matematika 8, no. 2 (May 20, 2023): 329–344. Accessed May 14, 2024. https://mathline.unwir.ac.id/index.php/Mathline/article/view/376.