Kannika Panyaphu และ Panee Sirisa-ard. (2012) Conservation and sustainable use of ethnomedicinal plants by Mien People in Nan province. Chiang Mai University:ม.ป.ท.Kannika Panyaphu และ Panee Sirisa-ard. 2012. Conservation and sustainable use of ethnomedicinal plants by Mien People in Nan province. ม.ป.ท.:Chiang Mai University;Kannika Panyaphu และ Panee Sirisa-ard. Conservation and sustainable use of ethnomedicinal plants by Mien People in Nan province. ม.ป.ท.:Chiang Mai University, 2012. Print.