Onyinye, Unachukwu Marian Ozokonkwo, et al. “Addressing the Problem of Maize Trash Management Using Effective Microbes”. International Journal of Natural and Practical Sciences (IJNPS), vol. 2, no. 2, May 2014, pp. 1-7, http://icidr.org.ng/index.php/Ijnps/article/view/523.