B. . Givan, R. . Amalia, A. Abdurrachman, I. . Sari, S. . Heri Winarno, and Arman Syah Putra, “Effective Use of E-Money through Online Shopping in E-Commerce: English”, IJERSC, vol. 2, no. 6, pp. 1692–1697, Dec. 2021.