@article {133459,
	title = {The Coupled Effect of Nano Silica and Superplasticizer on Concrete Fresh and Hardened Properties},
	journal = {International Journal of Modern Engineering Research},
	volume = {4},
	year = {Submitted},
	pages = {42-53},
	author = {Serag, Mohamed I and Hala El-Kady and El-Feky, Muhammad S}
}
