SHANMUGAM, Nandivaram E.; CHEN, Wai-Fah. An Assessment of K Factor Formulas. Engineering Journal, [S. l.], v. 32, n. 1, p. 3–11, 1995. DOI: 10.62913/engj.v32i1.639. Disponível em: https://ej.aisc.org/index.php/engj/article/view/639. Acesso em: 9 oct. 2024.