@book{265710,
	author = {Dhingra,Ishwar C.},
	title = {New approach to general science: exclusively recommended for UPSC prelims general studies paper 1 and mains general studies paper III (CSE)/by Ishwar C. Dhingra},
	publisher = {Heed publications (P) ltd},
	year = {2016},
	address = {New delhi}
}