Ilustre, M. A. S., J. M. Maullion, C. B. S. Rado, and E. C. Magundayao. “Cement Plaster Proportioning Suitable for Sands from Different Sources in Batangas Province”. Asia Pacific Higher Education Research Journal (APHERJ), vol. 4, no. 1, Aug. 2017, https://po.pnuresearchportal.org/ejournal/index.php/apherj/article/view/435.