@book{41945,
	title = {Detection of extracellular carbohydrases and the optimum pН for their maximum activities in garden snails, Helix  sp.(L) / },
	publisher = {University of Dhaka, },
	year = {2000.},
	address = {Dhaka : },
	note = {Thesis (MS )—Department of Zoology, University of Dhaka, Session : 1996-97.


}
}