@book{36916,
	author = {Veettil, Chellattan Prakashan  and Krishna, Vijaya Vijesh},
	title = {Productivity and efficiency Impacts of zero tillage wheat in Northwest Indo-Gangetic Plains /},
	publisher = {Sardar Patel Institute of Economic & Social Research,},
	year = {Jul-05},
	address = {Ahmedabad :},
	note = {IEG}
}