Ilustre, Mark Anthony S., Janine M. Maullion, Camille Bianca S. Rado, and Ernesto C. Magundayao. “Cement Plaster Proportioning Suitable for Sands from Different Sources in Batangas Province”. Asia Pacific Higher Education Research Journal (APHERJ) 4, no. 1 (August 22, 2017). Accessed November 24, 2024. https://po.pnuresearchportal.org/ejournal/index.php/apherj/article/view/435.