MAREE, A. Comparison between Two – sided Power Distribution and Beta Distribution in Program Evaluation and Review Technique (PERT). TANMIYAT AL-RAFIDAIN, [S. l.], v. 31, n. 94, p. 284–299, 2009. DOI: 10.33899/tanra.2009.161823. Disponível em: https://edusj.uomosul.edu.iq/index.php/tanmiyat/article/view/30110. Acesso em: 10 sep. 2025.