Lely Afriani Lumban Raja, Imelda Sabrina Sibarani, and Jon Roi Tua Purba. “THE EFFECT OF THE STUDENT TEAMS ACHIEVEMENT DIVISIONS (STAD) LEARNING MODEL ON THE SCIENCE LEARNING OUTCOMES OF GRADE IV STUDENTS OF UPTD SD NEGERI 122345 PEMATANGSIANTAR IN THE 2025/2026 ACADEMIC YEAR”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), vol. 4, no. 11, Sept. 2025, pp. 3107-14, doi:10.54443/ijset.v4i5.1095.