PENGEMBANGAN VIDEO MOBILE LEARNING DALAM MATERI SISTEM PERSAMAAN LINEAR TIGA VARIABEL (SPLTV). JPPM [Internet]. 2022 Sep. 14 [cited 2025 Jul. 2];4(2):478-90. Available from: http://jurnal.mipatek.ikippgriptk.ac.id/index.php/JPPM/article/view/463