Evaluating agroforestry interventions in extension projects /
Sar a J. Scherr and Eva U. Muller.
- Nairobi : International Council for Research in Agroforestry, 1991.
- p. ; 23 cm.
- ICRAF reprint ; no. 79 .
Reprinted from Agroforestry Systems, 11: 259-80, 1990.