Sharma, R. K. Performance of high yielding varieties of wheat (in Punjab, Haryana and West Uttar Pradesh) / R. K. Sharma - Delhi : Agricultural Economics Research Centre (AERC) , 1978 - 85p. : ill. ; 30 cm. - AERC Research Study No. 78/5 . Includes bibliographical references. Subjects--Topical Terms: HYV--IndiaWheat Gov. Doc. Class. No.: IND Del. U AERC RS-78/5