Commercial and sustainable extraction of non-timber forest products : towards a policy and management oriented research strategy /
Mirjam Ros-Tonen,Wim Dijkman, Erik Lammerts van Bueren.-
- Wageningen,Netherlands : Tropenbos Foundation, 1995.
- 32p.: ill., photos.-
- Tropenbos series .
p. 27-28
Natural resources - Management. Upland conservation. Forest Conservation. Land use Planning