Buizer, M. (Public administration), 1992
Interactions between field officials and local people at the forest fringe in the Sierra Madre.

Werf, I. van der (Public Administration), 1992
The administrative context of an Environmental Management Plan. The impact of policies, policy actors and their interactions on the management of natural resources in Cagayan Valley.

Graber, B. (Soc. Geography), 1992
" I leave the trees in the backyard for my children". Options for sustainable local forest management in the Sierra Madre.

Henkemans, A. (Tropicaal Forestry), 1992
Towards appropriate upland farming technologies. A study on agroforestry related farming technologies for upland farm development at the forest fringe in the Sierra Madre.

Dirkx, E-J. (Social Geography), 1992
Shifting cultivation and farmer's decision making in the Sierra Madre Uplands.

Lazaro, R. C. (Forestry), 1992
Agroforestry Designs and Assumptions for the Environmental Management Plan of the Northern Sierra Madre Biogeographic Zone