OKE, A.O.; KOYA, O.A.; AKANBI, C.T. Development of a Machine for Expressing Vernonia amygdalina Leaf Juice. Ife Journal of Technology, [S. l.], v. 23, n. 2, p. 1–9, 2015. Disponível em: http://ijt.oauife.edu.ng/index.php/ijt/article/view/123. Acesso em: 11 oct. 2025.