On the Efficiency of Some Selected Designs: A Case of Randomized Block Designs. Global Journal of Science Frontier Research, [S. l.], v. 18, n. F2, p. 33–39, 2018. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/2181. Acesso em: 5 feb. 2026.