@book{105988,
	title = {Contributions to the studies on some aspects of biology and induced spawning of air beeathing catfish clarias batrachus (linaeus 1758) /},
	publisher = {University of Dhaka,},
	year = {1979.},
	address = {Dhaka :},
	note = {Thesis (MS) -- Department of Zoology, University of Dhaka, 1979}
}