@book{67459,
	author = {Engr Jan Muhammad Watoo and Department of Civil Engineering},
	title = {Comparative Study on Strength of Concrete by Using Fly ash and Rice Rusk ash as Prtical Replacement of fine Aggregate},
	publisher = {Quest},
	year = {2021},
	address = {Nawabshah},
	url = {http://tinyurl.com/ndfsrt97}
}