Suwanti, Ratih. “ANALYSIS OF THE INFLUENCE OF BUSINESS PROMOTION ON SALES AT PONDOK LAUNDRY MAKASSAR USING SIMPLE LINEAR REGRESSION ANALYSIS”. Jurnal Ekonomi Ichsan Sidenreng Rappang 4, no. 2 (December 28, 2025): 530–536. Accessed January 31, 2026. http://jeinsa.com/index.php/jurnal/article/view/332.