@book{75670,
	author = {Tyagi, Manjul  and Rastogi, Amit },
	title = {Study package Mathematics for NDA & NA national defence academy & Naval Academy  entrance examination /},
	publisher = {Arihant Prakashan },
	year = {201?},
	series = {Leading Edge Resources series 2008-09},
	address = {Meerut}
}