Sanjaya, I Gede Adi, Marungkil Pasaribu, and Achmad Ramadhan. 2022. “The Effect of Problem Based Learning Models With Experimental Scientific Methods and Attitudes Towards Learning Outcomes in Elementary School Students”. Jurnal Riset Pendidikan MIPA 6 (1). Palu, Sulawesi Tengah - INDONESIA:37-45. https://doi.org/10.22487/j25490192.2022.v6.i1.pp37-45.