Herizal, Nanang Priatna, Sufyani Prabawanto, and Al Jupri. “Students Learned Knowledge of the Concept of Angle and Angular Measure: A Didactic Transposition Perspective”. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika 8, no. 1 (April 30, 2025): 122–134. Accessed July 28, 2025. https://journal.upp.ac.id/index.php/absis/article/view/3196.