S.O .Adejuwon , A.O. Ilesanmi , V.G. Jemilohun. “Comparative Studies on Techniques for Transportation Problem of Initial Basic Feasible Solution (IBFS)”. International Journal of Emerging Trends in Science and Technology, vol. 5, no. 06, June 2018, pp. 6625-30, http://ijetst.in/index.php/ijetst/article/view/1264.