Suppagunya Wicheinsri. 2005. Forest land use change by agricultural area in lower and middle Mae Taeng watershed Changwat Chiang Mai. Field of Study Appropriate Technology for Resources, Mahidol University;
Suppagunya Wicheinsri. (2005) Forest land use change by agricultural area in lower and middle Mae Taeng watershed Changwat Chiang Mai . Mahidol University/Bangkok.
Suppagunya Wicheinsri. Forest land use change by agricultural area in lower and middle Mae Taeng watershed Changwat Chiang Mai. . Bangkok:Mahidol University, 2005.
Suppagunya Wicheinsri. (2005) Forest land use change by agricultural area in lower and middle Mae Taeng watershed Changwat Chiang Mai . Mahidol University/Bangkok.