Elsy Hariani Saragih, Injen Pardamean Butar-butar, & Herlina Hotmadinar Sianipar. (2025). THE INFLUENCE OF FAMILY ENVIRONMENT AND LEARNING INTEREST ON SOCIAL STUDIES LEARNING OUTCOMES OF NINTH GRADE STUDENTS AT SMP NEGERI 4 PEMATANGSIANTAR. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 4(12), 1234–1240. https://doi.org/10.5281/zenodo.18797469