Liongson, L.
(2021).
 Linear Programming Cases in the Water Resources Engineering Classroom: Formulation and Implementation with The Linear Programming Language (LPL) Package.
<em>Philippine Engineering Journal, 3</em>(2).
Retrieved from <a href="https://www.journals.upd.edu.ph/index.php/pej/article/view/8359" target="_new">https://www.journals.upd.edu.ph/index.php/pej/article/view/8359</a>