Yesica Destri Turnip, Tumpal Manahara Siahaan and Injen Pardamean Butarbutar (2025) “THE EFFECT OF THE NUMBERED HEADS TOGETHER COOPERATIVE LEARNING MODEL ON STUDENTS’ LEARNING VALUES IN THE ECONOMICS SUBJECT IN CLASS XI PRIVATE SENIOR HIGH SCHOOL TAMAN SISWA PEMATANGSIANTAR ACADEMIC YEAR 2025/2026”, International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 4(10), pp. 1352–1363. Available at: https://ijset.org/index.php/ijset/article/view/1722 (Accessed: 24 June 2026).