Employment and capital labour substitution in South Brazilian agriculture /
Inderjit Singh & Choong Yongv Ahn
- Ohio : Ohio State University, Department of Agricultural Economics & Rural Sociology , 1972
- ii, 45p. : ill. ; 27 cm.
- Photocopy of USAID Mf No: PB 223 761 Studies in agricultural capital & technology economics & sociology occasional paper .