Butar, Dwi Fany Fransiska Dewi Butar. “Marketing Strategy for Private Elementary Schools in The City Of North Sumatra in Increasing The Number Of Students”. Jurnal Ekonomi, Bisnis & Entrepreneurship (e-Journal) 17, no. 1 (May 25, 2023): 112–118. Accessed October 12, 2024. https://jurnal.stiepas.ac.id/index.php/jebe/article/view/335.