Meylan Hanna Sitinjak, Theresia Siahaan, & 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), 401–408. https://doi.org/10.59890/ijist.v1i4.606