Sharma, R. K. Role of farm extension in draught management / R. K. Sharma - Delhi : Agricultural Economics Research Centre (AERC) , 1990 - 95p. : ill. ; 30 cm. - AERC Research Study No. 90/3 . Includes bibliographical references. Subjects--Topical Terms: Agricultural extension--IndiaDrought Gov. Doc. Class. No.: IN Del. U AERC RS-90-3