Maria Angelica Salas and Hermann J. Tillmann Publication year: 2010 Pages: 92 Publisher The Regional Center for Social Science and Sustainable Development Faculty of Social Sciences, Chiang Mai University, 239 Huay Kaew Road, Tambon Suthep, Amphoe Mueang, Chiang Mai 50200, Thailand. www.rcsd.soc.cmu.ac.th