Abana, Ertie, William Vega, Jaezel Gacias, Patrick John Rañon, John Denver Talattad, Herbert Orata, and Jerone Perez. 2021. “Pulverized Water Hyacinth As an Admixture for Concrete”. International Journal of Integrated Engineering 13 (4): 298-303. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/7591.