MAINA, M. B. et al. Comparism of the Properties and Yield of Bioethanol from Mango and Orange Waste. Arid Zone Journal of Engineering, Technology and Environment, [S.l.], v. 13, n. 6, p. 779-789, dec. 2017. ISSN 2545-5818. Available at: <http://azojete.com.ng/index.php/azojete/article/view/289>. Date accessed: 18 jan. 2019.