TY  - BOOK
AU  - Scherr,Sara J.
TI  - Methods for participatory on-farm agroforestry research: : summary proceedings of an International workshop
SN  - 9290590955 (Pbk)
AV  - S494.5 
PY  - 1991///
CY  - Icraf
PB  - Nairobi : 
ER  -