Serillano, Raquel Lozano. “Solid Waste Management of Public Secondary Schools in Pili East District, Philippines”. MANDALIKA : Journal of Social Science 3, no. 2 (August 31, 2025): 56–61. Accessed January 16, 2026. https://journals.balaipublikasi.id/index.php/mandalika/article/view/345.