M. M. M. Miguel, C. J. Molod, K. A. Velardo, and K. J. F. Pigao, “The Paradox of Inequality: Factors Influencing Income Inequality in the Philippine Setting”, JEFAS, vol. 4, no. 1, pp. 569–588, Mar. 2022, doi: 10.32996/jefas.2022.4.1.42.