Sumalee Santipollavut. 2002. The relationships between quality of life and labour productivity on the path of sustainable development. Field of Study Population and Development, National Institute of Development Administration;
Sumalee Santipollavut. (2002) The relationships between quality of life and labour productivity on the path of sustainable development . National Institute of Development Administration/Bangkok.
Sumalee Santipollavut. The relationships between quality of life and labour productivity on the path of sustainable development. . Bangkok:National Institute of Development Administration, 2002.
Sumalee Santipollavut. (2002) The relationships between quality of life and labour productivity on the path of sustainable development . National Institute of Development Administration/Bangkok.