Indriyana, R. S. and Susilowati, S. (2020) “The Effects of Model Project-Based Learning Approach on STEM (Science, Technology, Engineering, Mathematic) on Natural Science Learning to Junior High School Student’s Critical Thinking Skills And Cooperative Skills at SMP N 1 Berbah”, Journal of Science Education Research, 4(2), pp. 70–75. doi: 10.21831/jser.v4i2.35717.