@book{47609,
	author = {Singh, Ravindra.},
	title = {Study on Marketable Surplus of Paddy and Wheat Under Modern Agriculture on Family Farms in Central-South Bihar (Paliganj Block, Patna District) / },
	publisher = {: RAU},
	year = {, 1991},
	address = {.- Sabour, Bhagalpur}
}