Irena Nopi Prenti Raja Gukguk, Minar T. Lumbantobing and Hetdy Sitio 2023. The Influence of The Student Teams Achievement Division (STAD) Learning Model on The Learning Outcomes of Class V Students Subhtema 1: How The Body Processes Food State Elementary School No. 125138 Pematang Siantar. International Journal of Integrated Science and Technology. 1, 3 (Oct. 2023), 225–232. DOI:https://doi.org/10.59890/ijist.v1i3.535.