Akhigbe, Samuel, Nathaniel Akpofure Ojekudo, Lauretta George, and Anthony Udo Akpan. “New Piecewise Linear Approximation Techniques for Nonlinear Programming Problems”. Faculty of Natural and Applied Sciences Journal of Mathematical Modeling and Numerical Simulation 2, no. 2 (March 31, 2025): 85–93. Accessed May 10, 2025. https://fnasjournals.com/index.php/FNAS-JMNS/article/view/770.