Permata, Dian, Slameto Slameto, and Elvira Hoesein Radia. 2018. “Implementation of Cooperative Learning Model Type Jigsaw in Social Science to Increase students’ Learning Outcome”. Jurnal Pendidikan Dan Pengajaran 51 (2):61-67. https://doi.org/10.23887/jpp.v51i2.15415.