Nufus, F., Irwandi, I., Nur, S. ., & Evendi, E. (2022). 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(2), 681–686. https://doi.org/10.29303/jppipa.v8i2.1352