“Experimental Study of the Impact of Particle Packing Density Optimization on Strength and Water Absorption Properties of Concrete”. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695 IJERAT, vol. 5, no. 2, Feb. 2019, pp. 67-79, https://doi.org/10.31695/IJERAT.2019.3387.