Sahara, Nur, Y Mochammad Cholily, Abdulkadir Rahardjanto, Moh Mahfud Effendi, and Siti Inganah. “Global Trends in Contextual Trigonometry E-Books: A Scopus Bibliometric Study”. Mosharafa: Jurnal Pendidikan Matematika 14, no. 2 (April 30, 2025): 329–340. Accessed March 3, 2026. https://journal.institutpendidikan.ac.id/index.php/mosharafa/article/view/2739.