@book{51446,
	author = {Singh, Udhav Prasad},
	title = {Land Substitutability and Self-Finance Generating Potentiality of Some cash Crops to Meet Cultivation cost of Staple food Crops-An Explorative Case Study on Family Farms in Eastern Bihar},
	publisher = {RAU},
	year = {2002},
	address = {Pusa, Samastipur}
}