TY  - BOOK
AU  - Jones,Jeffrey R.
AU  - Wallace,Ben J.
TI  - Social Sciences and farming system research: Methodological perspectives on agricultural development 
SN  - 0813371368
U1  - 630 23
PY  - 1986///
CY  - Boulder and London
PB  - Westview Press, 
N1  - Incluye referencias bibliográficas
ER  -