1. Aummeeruddy Y, Sansonnens B (1994) Shifting from simple to complex agroforestry systems: an example for buffer zone management from Kerinci. Agrofor Syst 28:113–141
2. Chan B (1998) Concerns of the industry on tree plantations in Sarawak. In: Chan B, Kho PCS, Lee HS (eds) Proceedings of Planted Forests in Sarawak, an International Conference, 16-17 February 1998, Kuching, Sarawak (vi–xii)
3. Chin SC (1987). Do shifting cultivators deforest? In: Forest resource crisis in the third world, Sahabat Alam Malaysia, Penang
4. Coomes OT, Grimard F, Burt G (2000) Tropical forests and shifting cultivation: secondary forest fallow dynamics among traditional farmers of the Peruvian Amazon. Ecol Econ 32:109–124
5. Department of Agriculture, Sarawak (1981) A digest of agricultural statistics, Kuching