Nufus, Fathiya, Irwandi Irwandi, Syahrun Nur, and Evendi Evendi. “Study of ISLE-BASED STEM Approaches and Models in Its Use for Teacher Professionalism Development in Geometric Optical Case Studies”. Jurnal Penelitian Pendidikan IPA 8, no. 2 (April 30, 2022): 681–686. Accessed December 5, 2022. https://jppipa.unram.ac.id/index.php/jppipa/article/view/1352.