©2013 National Research Council of Thailand
Somyot Sinthurahat. 1992. Elaboration of a land evaluation model for rubber cultivation in Peninsular Thailand. Faculty of Science, University of Ghent;
Somyot Sinthurahat. (1992) Elaboration of a land evaluation model for rubber cultivation in Peninsular Thailand . University of Ghent/Ghent.
Somyot Sinthurahat. Elaboration of a land evaluation model for rubber cultivation in Peninsular Thailand. . Ghent:University of Ghent, 1992.
Somyot Sinthurahat. (1992) Elaboration of a land evaluation model for rubber cultivation in Peninsular Thailand . University of Ghent/Ghent.