Nakai , Paulo Hideyuki, Caio Flavio Stettiner, Ednicio Oliveira Lima, Roberto Padilha Moia, Alex Paubel Junger, and Alexandre Formigoni. “ABC Curve and RFVC Score Applied to Customer Portfolio Management”. Revista de Casos e Consultoria 11, no. 1 (July 16, 2020): e1116. Accessed November 15, 2026. https://www.periodicos.ufrn.br/casoseconsultoria/article/view/21066.