@book{13561,
	author = {Chopra, P N},
	title = {Managerial economics},
	publisher = {Kalyani Publishers},
	year = {2011},
	address = {Ludhiana},
	edition = {5th ed.},
	note = {1828 09/01/2015 HBD252 05/02/2015 Main Budget}
}