Ardiyanti, Eka Lestari, Agus Setyo Budi, and I Made Astra. “PENGEMBANGAN ENSIKLOPEDIA ALAT OPTIK BERBASIS PROBLEM BASED LEARNING”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) 70 (October 30, 2018): SNF2018-PE. Accessed May 7, 2025. http://103.8.12.212:33180/unj/index.php/prosidingsnf/article/view/9132.