Nyakundi Omwando Cornelious, and Evans Mbuthi Kilonzo. “Robustness of Higher Levels Rotatable Designs for Two Factors Against Missing Data”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 7, no. 4 (April 25, 2021): 80–83. Accessed June 14, 2024. https://ijasre.net/index.php/ijasre/article/view/1235.