Nugroho, B. “Application of the Cooperative Learning Model Jigsaw Technique in Efforts to Improve Learning Outcomes History for Class X Students of SMA Negeri 2 Rembang Teachings 2012/2013”. Indonesian Journal of History Education, Vol. 2, no. 1, Mar. 2017, pp. 43-48, doi:10.15294/ijhe.v2i1.2212.