@book{13459,
	author = {Haji Khan Puno and Sindh Agriculture University},
	title = {Calibration of Soil Test p With Crop Response To Applied Phosphorus (Photocopy)},
	publisher = {Sindh Agriculture University},
	year = {1991},
	address = {Tandojam},
	note = {Supervisor: Dr. Kazi Suleman Memon}
}