Rahmania Rahman, et al. “Developing a Discovery Learning-Based E-Module Supported by Instagram to Enhance Students’ Learning Motivation”. Cerdas: Jurnal Ilmu Pendidikan Sosial Dan Humaniora, vol. 1, no. 1, June 2025, pp. 16-22, https://jurnal.itkpi.ac.id/index.php/cerdas/article/view/4.