MUTEMBEI, Josephine; KAMAKU, Waweru; KIVUNGE, Benard. Positive P 0,1 Matrix Completion Problem for Digraphs of Order Three with Zero, One, Two and Three Arcs. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 24, n. 3, p. 112–121, 2015. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4486. Acesso em: 21 sep. 2025.