“Experimental Study of the Impact of Particle Packing Density Optimization on Strength and Water Absorption Properties of Concrete” (2019) International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT, 5(2), pp. 67–79. doi:10.31695/IJERAT.2019.3387.