MUHAMMAD, Aisyah; SUNGPLEE, Sungplee. Factors of Customer. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 24, n. 7, p. 252–265, 2015. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/4929. Acesso em: 10 feb. 2026.