VALEN MARCELLA DINATA; DESMA; IRVAN ROLYESH SITUMORANG. The Effect of Using E-Payment and Social Media on Purchasing Decisions at Alfamart in Medan City. PROCEEDING INTERNATIONAL BUSINESS AND ECONOMICS CONFERENCE (IBEC), [S. l.], v. 2, n. 1, p. 39–50, 2023. DOI: 10.47663/ibec.v2i1.73. Disponível em: https://conference.eka-prasetya.ac.id/index.php/IBEC/article/view/73. Acesso em: 10 sep. 2024.