DONIZETI REVOREDO, Daniel; ROBERTO REGATTIERI, Carlos. PURCHASE MANAGEMENT:: an important activity in the companies. Revista Interface Tecnológica, Taquaritinga, SP, v. 17, n. 2, p. 980–992, 2020. DOI: 10.31510/infa.v17i2.952. Disponível em: https://revista.fatectq.edu.br/interfacetecnologica/article/view/952. Acesso em: 5 dec. 2025.