Farm power in Punjab : a case study of Ludhiana district. - Delhi : Agricultural Economics Research Centre (AERC) , 1982 - 87p. : ill. ; 30 cm. - AERC Research Study No. 82/2 . Includes bibliographical references. Subjects--Topical Terms: Farm power--India Gov. Doc. Class. No.: IND Del. U AERC RS-82/2