Ferreira RJP, De Almeida AT, Ferreira HL. Multi-attribute p-median model for location of back-up transformers. BJO&PM [Internet]. 2010 Dec. 3 [cited 2025 Apr. 30];7(2):09-28. Available from: https://www.bjopm.org.br/bjopm/article/view/V7N2A1_