©2013 National Research Council of Thailand
Chavisa Khengsamut. 2008. The enrichment of positive thinking in adolescents. Field of Study Clinical Psychology, Mahidol University;
Chavisa Khengsamut. (2008) The enrichment of positive thinking in adolescents . Mahidol University/Bangkok.
Chavisa Khengsamut. The enrichment of positive thinking in adolescents. . Bangkok:Mahidol University, 2008.
Chavisa Khengsamut. (2008) The enrichment of positive thinking in adolescents . Mahidol University/Bangkok.