ISKANDAR, S.; WAHAB, Z.; WIDIYANTI, M.; ADAM, M. Price perception and product quality on gas purchasing decisions in PT. Pertamina EP asset 2. International journal of business, economics and management, [S. l.], v. 3, n. 1, p. 134-139, 2020. DOI: 10.31295/ijbem.v3n1.161. Disponível em: https://sloap.org/journal/index.php/ijbem/article/view/161. Acesso em: 9 may. 2026.