Utami, Nadya Syifa, Sufyani Prabawanto, and Didi Suryadi. “How Do Indonesian Students Learn Function Concepts? A Praxeological Analysis of Textbook”. Journal on Mathematics Education 15, no. 2 (March 6, 2024): 451–472. Accessed June 7, 2025. https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/502.