Charussri Leeyaphan. 2008. Measuring melasma patients' quality of life using willingness to pay and time trade-off methods in Siriraj hospitalCharussri Leeyaphan. Faculty of Economics, Chulalongkorn University;
Charussri Leeyaphan. (2008) Measuring melasma patients' quality of life using willingness to pay and time trade-off methods in Siriraj hospitalCharussri Leeyaphan . Chulalongkorn University/Bangkok.
Charussri Leeyaphan. Measuring melasma patients' quality of life using willingness to pay and time trade-off methods in Siriraj hospitalCharussri Leeyaphan. . Bangkok:Chulalongkorn University, 2008.
Charussri Leeyaphan. (2008) Measuring melasma patients' quality of life using willingness to pay and time trade-off methods in Siriraj hospitalCharussri Leeyaphan . Chulalongkorn University/Bangkok.