Alexander, K. C. Agricultural labour unions : a study in three South Indian states / by K C Alexander - Hyderabad [India] : National Institute of Rural Development ; 1978. - 50 p. : illus., maps. 25 cm. - NIRD occasional monograph 1 . Subjects--Topical Terms: Agricultural labourIrrigationProductivity Dewey Class. No.: 331.8813 / NAT N78A