Ejiro T. Akhihiero, Steve O. Eshiemogie, Daniel K. Oginenwa, Eleazer C. Gbandi (Jnr.), David A. Akhihiero. “Design of a Manual Hydraulic Press for Oil Extraction from Oil-Bearing Seeds”. Advances in Engineering Design Technology 3 (August 31, 2021). Accessed December 22, 2024. https://journals.nipes.org/index.php/aedt/article/view/552.