Meylan Hanna Sitinjak, Theresia Siahaan and Hetdy Sitio 2023. The Influence of The Student Teams Achievement Divisions (STAD) Cooperative Learning Model on Class III Student Learning Outcomes Theme 1 Subtheme 1 at UPTD SD Negeri 125543 Pematang Siantar. International Journal of Integrated Science and Technology. 1, 4 (Oct. 2023), 401–408. DOI:https://doi.org/10.59890/ijist.v1i4.606.