ZHU, Yongyong. The Development of E-commerce Practice Teaching Software Based on Online Payment and Settlement. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 10, n. 2, p. pp. 4–9, 2014. DOI: 10.3991/ijoe.v10i2.2979. Disponível em: https://online-journals.org/index.php/i-joe/article/view/2979. Acesso em: 2 may. 2024.