@book{13177,
	author = {Pandarakalam, S.K.;Kesavan Nair, G.;Leelavathy, M.P.},
	title = {Vyavasaya Padhathikal},
	publisher = {Avanty; Kottayam},
	year = {1999},
	address = {Kottayam},
	edition = {5}
}