Surahman, Surahman, Samsurizal M. Suleman, and Amiruddin Hatibe. 2019. “Application of Environmental-Based Scientific Approach to Improve Science Learning Activities and Outcomes in Grade IV Students of SD Inpres Koya, North Morowali Regency”. Jurnal Riset Pendidikan MIPA 3 (1). Palu, Sulawesi Tengah - INDONESIA:24-34. https://doi.org/10.22487/j25490192.2019.v3.i1.pp24-34.