Sripan Aunnawetwanich. 1992. Forest information system of Thailand. Faculty of Graduate Studies, Mahidol University;
Sripan Aunnawetwanich. (1992) Forest information system of Thailand . Mahidol University/Bangkok.
Sripan Aunnawetwanich. Forest information system of Thailand. . Bangkok:Mahidol University, 1992.
Sripan Aunnawetwanich. (1992) Forest information system of Thailand . Mahidol University/Bangkok.