@book{80097,
	title = {A study on the PH of soils of East Pakistan and the important factors that affected in the variation of soil PH /},
	publisher = {University of Dhaka,},
	year = {1966.},
	address = {Dhaka :},
	note = {Thesis (MS)—Department of Soil Science, University of Dhaka, 1966.}
}