Singh, Pritam. Some aspects of labour use in Punjab agriculture : a study of Ferozepur district 1967-68, 1968-69 and 1969-70 / Pritam Singh - New Delhi : Jawaharlal Nehru University, 1976. M.Phil - CPS, SSS, JNU, 1976. ISBN: 1 Subjects--Topical Terms: Agriculture Index Terms--Genre/Form: Dissertation Dewey Class. No.: 338.10954552 / Si645 So