©2013 National Research Council of Thailand
Chichaya Changrian. 2010. Happiness and its influencing factors among household heads in urban and rural areas of Thailand. School of Public Administration, National Institute of Development Administration;
Chichaya Changrian. (2010) Happiness and its influencing factors among household heads in urban and rural areas of Thailand . National Institute of Development Administration/Bangkok.
Chichaya Changrian. Happiness and its influencing factors among household heads in urban and rural areas of Thailand. . Bangkok:National Institute of Development Administration, 2010.
Chichaya Changrian. (2010) Happiness and its influencing factors among household heads in urban and rural areas of Thailand . National Institute of Development Administration/Bangkok.