00381nam a2200085Ia 4500008004100000245011800041260008200159546001200241710004200253220512s9999    xx            000 0 eng d 3aAn Economic Analysis of Cost and Return of off-Season Vegetables with Focus on Poly House Effect in Uttarakhand /  aDelhi :bAgriculture Economics Research Centre (University of Delhi),cMar-17  aEnglish  aAgriculture Economics Research Centre