Oke, A.O., O.A. Koya, and C.T. Akanbi. “Development of a Machine for Expressing Vernonia Amygdalina Leaf Juice”. Ife Journal of Technology 23, no. 2 (November 1, 2015): 1–9. Accessed September 12, 2024. https://ijt.ng/index.php/ijt/article/view/123.