Kamaruddin, S., Goh, W. I., Jhatial, A. A., & Lakhiar, M. T. (2018). Chemical and Fresh State Properties of Foamed Concrete Incorporating Palm Oil Fuel Ash and Eggshell Ash as Cement Replacement. International Journal of Engineering & Technology, 7(4.30), 350-354. https://doi.org/10.14419/ijet.v7i4.30.22307