Julianto, Ismu Hartarto, and Fauzi Arif Lubis. “Factors Affecting Market Demand on Sports Fields Rental Business In Medan”. Agregat: Jurnal Ekonomi dan Bisnis 6, no. 2 (September 2, 2022): 201–209. Accessed November 5, 2024. https://journal.uhamka.ac.id/index.php/agregat/article/view/8513.