[1]
Silachan, N., Pluemcharoen, W., Pichyapaiboon, P. and Sukarawan, S. 2006. Development of a Workshop Curriculum on Environmental Education Project for Teachers of Schools Surrounding The Boundary of Dong-Yai Wildlife Sanctuary, Buri Ram Province. Kasetsart Journal of Social Sciences. 27, 2 (Dec. 2006), 163–174.