Chávez Yumiceba, Roberto Alejandro, and Jorge Umaña Vargas. “High Development, Effective Policies, and Human Capital in the Face of an Intricate International System: A Study of Costa Rica’s Path from 1950 to 2000.”. IJRDO - Journal of Social Science and Humanities Research 1, no. 12 (December 31, 2016): 22-37. Accessed May 5, 2024. https://ijrdo.org/index.php/sshr/article/view/536.