Catri, Ni Made, Lilies N. Tangge, and Afadil Afadil. 2019. “Application of the Science Process Skill Approach in Improving Student Activities and Learning Outcomes in Science Subjects in Kabuyu Inpres Elementary School”. Jurnal Riset Pendidikan MIPA 3 (1). Palu, Sulawesi Tengah - INDONESIA:14-23. https://doi.org/10.22487/j25490192.2019.v3.i1.pp14-23.