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), pp. 79–97. available at: https://so04.tci-thaijo.org/index.php/kjss/article/view/243515 (accessed: 14 September 2026).