@book{108558,
	title = {Effectiveness of four insecticides as protectant of wheat  grain against the infestation of Sitophilus oryzae (L) /},
	publisher = {University of Dhaka,},
	year = {1979.},
	address = {Dhaka :},
	note = {Thesis (MS ) -- Department of Zoology, University of Dhaka, 1979.}
}