Tirop, Kibor David, Solomon Mulindi, and Christopher Saina. “Performance Evaluation of a Variable Pitch Potato Grader”. African Journal of Education,Science and Technology (AJEST) 7, no. 4 (May 18, 2024): Pg 55–67. Accessed May 11, 2026. https://ajest.org/index.php/ajest/article/view/16.