Handy, Handy, Vina Serevina, and Handjoko Permana. 2015. “PENGEMBANGAN APLIKASI ANDROID BERUPA INTERACTIVE DEMONSTRATION MATERI HUKUM NEWTON”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) 4 (October):SNF2015-II. https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5009.