Latunde , TolulopeRichard , Joseph OluwaseunEsan , Opeyemi Odunayo and Dare , Damilola Deborah. (2022). Optimal Value and Post Optimal Solution in a Transportation Problem.
            <i>Journal of Nonlinear Modeling and Analysis</i>. <i>3</i> (3).
            335-348.
         doi:10.12150/jnma.2021.335