Change of Herbal Plants Utilization of the Pka K’nyau: A Case Study of Ban Huay Som Poy Mae Tai Watershed, Chom Thong District, Chiang Mai Province

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith