@book{50656,
	author = {Roy, Ajit Kumar.},
	title = {Studis on the Effect of Production Factors on Growth, Development and Yield of Mustard [(Brassica juncea (L.) (czern & coss)] / },
	publisher = {: RAU},
	year = {, 1993},
	address = {.- Pusa, Samastipur}
}