Chana, C., Hamelink, P., Chamswarng, C., Sangchote, S., Farungsang, U., Bunjoechoedchu, R. and Ongsakul, U. 2001. Small Holders of Rubber-based Farming Systems in Songkhla Province Thailand : Problems and Potential Solutions. Kasetsart Journal of Social Sciences. 22, 1 (Jan. 2001), 79–97.