Tahara, G. S. (2021) “Development of Android-Based Learning Media on Sine and Cosine Rules Material as an Independent Practice”, De Fermat : Jurnal Pendidikan Matematika, 4(1), pp. 13–23. Available at: http://jurnal.pmat.uniba-bpn.ac.id/index.php/DEFERMAT/article/view/162 (Accessed: 3December2024).