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Lua i Stíl Chicago (17ú heag.)Kamolthip, Sarun. Landowners Preferences for a Payment for Environmental Services Program: A Case Study in East Thailand. Los Baños, Laguna: Economy and Environment Program for Southeast Asia, 2016.
Lua MLA (9ú heag.)Kamolthip, Sarun. Landowners Preferences for a Payment for Environmental Services Program: A Case Study in East Thailand. Economy and Environment Program for Southeast Asia, 2016.
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