Kurniawan, Roni, and Suhermin Suhermin. “INFLUENCE OF SALES PROMOTION, DIRECT MARKETING, AND PERSONAL SELLING ON CONSUMER PURCHASE INTENTION”. International Conference of Business and Social Sciences 3, no. 1 (December 28, 2023): 186–195. Accessed August 22, 2026. https://ojsicobuss.stiesia.ac.id/index.php/icobuss1st/article/view/357.