Padillo, J. P., F. M. D. Manyawron, R. B. Gallardo, and B. N. Obenza. “Single-Use Plastic Restrictions: A Mixed-Methods Policy Review of Structural Compliance and Affordability Barriers”. Journal of Public Administration, Public Affairs, and Management, vol. 24, no. 1, July 2026, pp. 147-74, https://so05.tci-thaijo.org/index.php/pajournal/article/view/287279.