AA A, MO A, MY S, K O. Optimal Control Model of University-PhD-Postdoc-Industry (UPPI) Migration and Unemployment. Contemp. Math. [Internet]. 2024 Jun. 19 [cited 2024 Jul. 3];5(2):2310-29. Available from: https://ojs.wiserpub.com/index.php/CM/article/view/2986