@book{43535,
	author = {Islam, Md. Ashraful},
	title = {Studies of some trace elements in Bangladesh agroecosystem /},
	publisher = {University of Dhaka, },
	year = {2000.},
	address = {Dhaka :},
	note = {Thesis (PhD )--Department of Chemistry, University of Dhaka, 2000.}
}