S. H. . Sitinjak, B. A. Simamora, and B. T. Gultom, “The Influence of Discipline and Learning Motivation on Student Learning Outcomes in Class VIII Social Studies Subjects at Darma Pertiwi Bahbutong Private Junior High School, Sidamanik T.A District 2022/2023”, IJAR, vol. 2, no. 6, pp. 603–616, Jul. 2023.