Anonymous, U (2018). EFFECTS OF AGGREGATE SIZES ON THE CONCRETE STRENGTH. Afribary.com: Retrieved February 27, 2021, from https://afribary.com/works/effects-of-aggregate-sizes-on-the-concrete-strength
User, Anonymous. "EFFECTS OF AGGREGATE SIZES ON THE CONCRETE STRENGTH" Afribary.com. Afribary.com, 03 Feb. 2018, https://afribary.com/works/effects-of-aggregate-sizes-on-the-concrete-strength . Accessed 27 Feb. 2021.
User, Anonymous. "EFFECTS OF AGGREGATE SIZES ON THE CONCRETE STRENGTH". Afribary.com, Afribary.com, 03 Feb. 2018. Web. 27 Feb. 2021. < https://afribary.com/works/effects-of-aggregate-sizes-on-the-concrete-strength >.
User, Anonymous. "EFFECTS OF AGGREGATE SIZES ON THE CONCRETE STRENGTH" Afribary.com (2018). Accessed February 27, 2021. https://afribary.com/works/effects-of-aggregate-sizes-on-the-concrete-strength