Waritsman, A. 2019. Perbandingan Keefektifan Model Pembelajaran Kooperatif Tipe Student Team Achievement Division dan Tipe Team Assisted Individualization. Tolis Ilmiah : Jurnal Penelitian. 1, 1 (Mei 2019). DOI:https://doi.org/10.56630/jti.v1i1.5.