AMIN, Hindu Jibril; ALA, Ahmed L. The Role of Advertisement and Sales Promotion in Student. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 15, n. 1, p. 450–463, 2014. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/1968. Acesso em: 27 sep. 2025.