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Ester Novela Siregar; Anton Luvi Siahaan; Debbi Petra Meyana. THE EFFECT OF PARENTAL SUPPORT AND THE SCHOOL ENVIRONMENT ON STUDENT LEARNING OUTCOMES IN SOCIAL STUDIES FOR GRADE VIII AT THE UPTD OF SMP NEGERI 2 PEMATANGSIANTAR. IJSET 2025, 4, 1251-1256.