“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”. 2024. International Conference on Economics, Business, and Management Research (ICEBMR) 3 (1): 638-56. https://doi.org/10.24071/icebmr.v3i1.145.