[1]
Sukma, G. 2020. Application of Problem Based Learning (PBL) Learning Model in Improving Student Learning Outcomes in Natural Sciences Subjects of Material Changes in Objects in Class II MI Al-Islah Sidoarjo. Indonesian Journal of Science Learning (IJSL). 1, 1 (Jun. 2020), 26–31. DOI:https://doi.org/10.15642/ijsl.v1i1.636.