Saputri I, Imasari N. Development of a Professional 3D Pageflip Based E-Module on Radioactivity Material. Tekno-Pedagogi. Jur. Tek. Pend [Internet]. 2016 Mar. 20 [cited 2026 Apr. 23];6(1):1-6. Available from: https://www.online-journal.unja.ac.id/pedagogi/article/view/7503