Harefa, Darmawan, Tatema Telaumbanua, Murnihati Sarumaha, Kalvintinus Ndururu, and Mastawati Ndururu. “Peningkatan Hasil Belajar IPA Pada Model Pembelajaran Creative Problem Solving (CPS)”. Musamus Journal of Primary Education 3, no. 1 (October 28, 2020): 1-18. Accessed November 28, 2021. http://ejournal.unmus.ac.id/index.php/primary/article/view/2875.