Afolami, Kole Ayodeji, et al. “Development and Performance Evaluation of a Yam Washing Machine for Poundo Yam Flour Processing Plant”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 1, Sept. 2017, pp. 118-29, https://gssrr.org/JournalOfBasicAndApplied/article/view/8050.