Arifuddin, M., L. Hayati, A. Amrullah, and B. Baidowi. “The Effect of Cooperative Learning Model of Team Game Tournament (TGT) Type on Students Mathematical Learning Achievement of Junior High School”. Jurnal Pijar Mipa, vol. 16, no. 5, Nov. 2021, pp. 583-8, doi:10.29303/jpm.v16i5.2770.