علي هدبة و. Comparison of Some Methods of Estimation the Missing Values in the Randomized Complete Blocks Design. College of Basic Education Research Journal, [S. l.], v. 4, n. 3, p. 242–257, 2007. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/39078. Acesso em: 26 oct. 2025.