@ARTICLE {ALENE:2005a, title = {The extent and determinants of production efficiency of farmers in the rainforest margins in Central Sulawesi, Indonesia: Implications for land use and support services}, author = {Alene, A. and Zeller, M. and Schwartz, S. and Dar, N. }, journal = {Quarterly Journal of International Agriculture}, year = {2005}, volume = {44}, number = {4}, pages = {335--353}, }