Pardede, Erna, Motlan ., and Retno Dwi Suyanti. “EFFECT OF GUIDED DISCOVERY LEARNING MODEL BASED COLLABORATION WITH FLASH MEDIA ON SCIENCE PROCESS SKILLS”. Jurnal Pendidikan Fisika 5, no. 1 (June 1, 2016): 12–17. Accessed July 30, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/3700.