“THE IMPACT OF VOUCHERS, FREE SHIPPING, AND FLASH SALES ON PURCHASE INTEREST IN THE SHOPEE FOOD APP: A CASE STUDY OF SANATA DHARMA UNIVERSITY STUDENTS”. International Conference on Economics, Business, and Management Research (ICEBMR) 3, no. 1 (May 25, 2024): 638–656. Accessed June 7, 2026. https://econference.usd.ac.id/index.php/ICEBMR/article/view/145.