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<xml><bibliography><APA>Sudavadee Kittipovanonth และผู้แต่งคนอื่นๆ. (2002) The status, roles and quality of life of elderly Thais. National Institute of Development Administration:ม.ป.ท.</APA><Chicago>Sudavadee Kittipovanonth และผู้แต่งคนอื่นๆ. 2002. The status, roles and quality of life of elderly Thais. ม.ป.ท.:National Institute of Development Administration;</Chicago><MLA>Sudavadee Kittipovanonth และผู้แต่งคนอื่นๆ.  The status, roles and quality of life of elderly Thais.  ม.ป.ท.:National Institute of Development Administration, 2002. Print.</MLA></bibliography></xml>
