I. D. Erhunmwun, F. Erhabor, O. Ayala, O. Uwagboe, C. O. Eferetin, D. Oshie. “Development of a Dual Mechanized Chicken De-Feathering and Yam Pounding Machine”. Advances in Engineering Design Technology, vol. 4, no. 2, June 2022, https://journals.nipes.org/index.php/aedt/article/view/536.