Moris, Jon R. Multi-subject farm surveys reconsidered: some methodological lessons Jon R. Moris - Dar es Salaam Institute of Public Administration, University College 1970 - 31p. 34cm. - Paper; 37 . Subjects--Topical Terms: AgricultureSurveysAgricultural development LC Class. No.: EAF QTO HD1405.E3 No.37