Rafiah D, Rahim R. Multimedia Design for Geometric Optical Material Using Professional Adobe Flash CS5 Software . Tekno-Pedagogi. Jur. Tek. Pend [Internet]. 2016 Mar. 20 [cited 2026 Apr. 22];6(1):32-8. Available from: https://www.online-journal.unja.ac.id/pedagogi/article/view/7497