Rangaswamy, P. Economics of dry farming in drought-prone areas : a case study of hissar in Haryana / P. Rangaswamy - Delhi : Agricultural Economics Research Centre (AERC) , 1981 - 56p. : ill. ; 30 cm. - AERC Research Study No. 81/1 . Includes bibliographical references. Subjects--Topical Terms: Dry farming--IndiaAgricultural economics Gov. Doc. Class. No.: IND Del. U AERC RS-81/1