©2013 National Research Council of Thailand
Siriwan Tripet. 2005. Mahidol University first year student's environmental perception through communication processesSiriwan Tripet. Field of Study Environmental Education, Mahidol University;
Siriwan Tripet. (2005) Mahidol University first year student's environmental perception through communication processesSiriwan Tripet . Mahidol University/Bangkok.
Siriwan Tripet. Mahidol University first year student's environmental perception through communication processesSiriwan Tripet. . Bangkok:Mahidol University, 2005.
Siriwan Tripet. (2005) Mahidol University first year student's environmental perception through communication processesSiriwan Tripet . Mahidol University/Bangkok.