Tjuang, VALESIA TJUANG, Desma Erica Maryati M, and Lisa Elianti Nasution. 2023. “ The Influence of Digital Payment Methods and Service Quality on Sales Volume at PT. Belanja Online Ekspress Nusantara”. PROCEEDING INTERNATIONAL BUSINESS AND ECONOMICS CONFERENCE (IBEC) 2 (1):218-31. https://doi.org/10.47663/ibec.v2i1.113.