Eric V. Dizon, Christian Angelo R. Mangabay, John Khervin M. Pacho, and J. C. Jocson. “Evaluation Of Innovative Techniques for Sustainable Construction Practices in The Philippines: A Comparative Study of Coal and Municipal Waste Beneficiation Methods”. International Journal of Progressive Research in Science and Engineering, vol. 4, no. 11, Nov. 2023, pp. 68-73, https://journal.ijprse.com/index.php/ijprse/article/view/998.