Ashari, Nur Wahidin, Usman Mulbar, and Asdar Asdar. “Antisipasi Didaktis–Pedagogis Berbasis Learning Obstacle Materi Relasi Rekursif Pada Mata Kuliah Matematika Diskrit”. Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences 5, no. 3 (May 17, 2026): 384–394. Accessed October 8, 2026. https://journal.web.id/journals/venn/article/view/451.