Sitopu, J., Dalimunthe, E. F., Budiarta, K., & Dalimunthe, M. B. (2024). The Influence of the Principal’s Leadership Style on the Quality of Education at SMP Swasta Masehi Berastagi for the 2023/2024 Academic Year. ProBisnis : Jurnal Manajemen, 15(4), 509–515. Retrieved from https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/586