Boonmy Phonesavanh. 2002. Gradient analysis of plant communitites in Phou Kao Khouay National Park, Vientiane, Lao P.D.R. Field of Study Forestry, Kasetsart University;
Boonmy Phonesavanh. (2002) Gradient analysis of plant communitites in Phou Kao Khouay National Park, Vientiane, Lao P.D.R. . Kasetsart University/Bangkok.
Boonmy Phonesavanh. Gradient analysis of plant communitites in Phou Kao Khouay National Park, Vientiane, Lao P.D.R. . Bangkok:Kasetsart University, 2002.
Boonmy Phonesavanh. (2002) Gradient analysis of plant communitites in Phou Kao Khouay National Park, Vientiane, Lao P.D.R. . Kasetsart University/Bangkok.