IDROGO ORDOÑEZ, L. P. .; GUTIERREZ PESANTES, E. .; QUIROZ MARQUINA, W. E. .; RUIZ GÓMEZ, P. J. . Improving Purchasing Management to Reduce Costs in Supply Company Encoservice E.I.R.L. INGnosis, [S. l.], v. 1, n. 1, p. 57–74, 2015. DOI: 10.18050/ingnosis.v1i1.1947. Disponível em: http://revistas.ucv.edu.pe/index.php/ingnosis/article/view/1616. Acesso em: 20 may. 2024.