Souza, Helder, Valerio Antonio Salomon, Carlos Eduardo Da Silva, and Dimas Aguiar. “PROJECT MANAGEMENT MATURITY: AN ANALYSIS WITH FUZZY EXPERT SYSTEMS”. Brazilian Journal of Operations & Production Management 9, no. 1 (May 14, 2013): 29-41. Accessed August 12, 2020. https://bjopm.emnuvens.com.br/bjopm/article/view/V9N1A2.