Triwitosari, W., Soetjipto, B. E., & Indrawati, A. (2019). Cooperative Learning Model Quiz-Quiz Trade and Mix Pair Share to Improve the Students’ Motivation, Communicative Skill and Learning Outcomes. International Journal for Social Studies, 5(1), 75-82. https://doi.org/10.26643/ijss.v5i1.6174