Musa, Alhassan, et al. “Bio-Fuels and Bio-Ethanol Production: Strategies and Policy Framework for Improving Environmental Health in Nigeria”. International Journal of Health and Medical Information (IJHMI), vol. 1, no. 1-3, Dec. 2012, pp. 27-34, http://icidr.org.ng/index.php/Ijhmi/article/view/618.