@book{48004,
	author = {Singh, Upendra Prasad.},
	title = {Study on Ability, Willingness, Knowledge and Adoption Behaviour of Different Categories of Farmers in Relation to Scientific Rice Production Technology in Siwan District of North Bihar / },
	publisher = {: RAU},
	year = {, 1987},
	address = {.- Pusa, Samastipur}
}