Samala AD, Giatman M, Simatupang W, Ranuharja F. E-Jobsheet Based on Mobile Pocket Book as Digital Learning Resources (DLRs). J. teknol. inf. pendidik. [Internet]. 2021Oct.11 [cited 2026Aug.1];14(2):117-23. Available from: http://tip.ppj.unp.ac.id/index.php/tip/article/view/488