Oktavihari, Dita, Mohammad Mahfud Effendi, dan Reni Dwi Susanti. “Application of Student Worksheet to See Understanding Mathematical Concepts & Communication Skills”. Math Didactic: Jurnal Pendidikan Matematika 5, no. 3 (Desember 30, 2019): 269-286. Diakses Juli 1, 2025. https://jurnal.stkipbjm.ac.id/index.php/math/article/view/762.