Achi I. I., Agwu C. O, Inyiama H. C, and Bakpo F. S. 2016. “Utilizing Optimization Technique As A Decision Making Tool for Modeling Student Comprehension Ability in an Its”. International Journal for Social Studies 2 (1), 67-74. https://doi.org/10.26643/ijss.v2i1.6832.