Livelihoods, land types and the importance of ecosystem goods and services: developing a predictive understanding of landscape valuation by the Punan Pelancau people of East Kalimantan - Lynam, T.J.P.; Cunliffe, R.N.; Sheil, Douglas; Wan, M.; Salim, A.; Priyadi, H.; Basuki, I. (Center for International Forestry Research, 2006)