Krittika Pomphueak. 2005. Use of lichens as bioindicators for air quality monitoring in Amphoe Mueang Lampang. Field of Study Environmental Science, Chiang Mai University;
Krittika Pomphueak. (2005) Use of lichens as bioindicators for air quality monitoring in Amphoe Mueang Lampang . Chiang Mai University/Chiang Mai.
Krittika Pomphueak. Use of lichens as bioindicators for air quality monitoring in Amphoe Mueang Lampang. . Chiang Mai:Chiang Mai University, 2005.
Krittika Pomphueak. (2005) Use of lichens as bioindicators for air quality monitoring in Amphoe Mueang Lampang . Chiang Mai University/Chiang Mai.