Theresi, Anggun Tiur Ida Sinaga, and Injen Pardamean Butabutar, “THE INFLUENCE OF STUDENTS’ LEARNING DISCIPLINE ON LEARNING ACHIEVEMENT IN SOCIAL STUDIES SUBJECT AMONG GRADE VII STUDENTS AT SMP NEGERI 10 PEMATANGSIANTAR”, IJSET, vol. 4, no. 12, pp. 1285–1289, Nov. 2025.