CHAVES, Lucas Monteiro, and Devanil Jaques de SOUZA. “AN ELEMENTARY PROOF OF FISHER-COCHRAN THEOREM USING A GEOMETRICAL APPROACH”. Brazilian Journal of Biometrics 37, no. 3 (September 26, 2019): 372–377. Accessed March 9, 2025. http://200.131.250.9/index.php/BBJ/article/view/405.