1. Acharya, B., 1994. A geostatistical approach for biodiversity study in Nepal. M.Sc. thesis. Forest Science Division, International Institute for Aerospace Survey and Earth Sciences (ITC), Enschede, The Netherlands.
2. Acharya, B., 1996. Pilot survey report of Shivapuri Watershed and Wildlife Reserve. Forest Science Division, International Institute for Aerospace Survey and Earth Sciences (ITC), Enschede, The Netherlands, unpublished.
3. Bhattarai, G.P., 1997. Systematic adaptive cluster sampling for assessing density and distribution of rare tree species in Shivapuri Watershed and Wildlife Reserve, Nepal. M.Sc. thesis. Forest Science Division, International Institute for Aerospace Survey and Earth Sciences (ITC), Enschede, The Netherlands.
4. Cochran, W.G., 1977. Sampling Techniques. Wiley, New York.
5. Adaptive cluster sampling for forest inventories;Roesch;For. Sci.,1993