Komarudin, Komarudin, and Ahmat Mukhadis. “Interactive Multimedia Engine Management System (EMS) to Improve Prior Knowledge and Problems Solving Ability”. Jurnal Pendidikan Teknologi Dan Kejuruan, vol. 26, no. 1, Apr. 2020, pp. 52-62, doi:10.21831/jptk.v26i1.29143.