Naphaphorn Panklang. 2004. Equity in health : a case study of self-medication in Chiang Mai province. Field of Study Medical and Health Social Science, Mahidol University;
Naphaphorn Panklang. (2004) Equity in health : a case study of self-medication in Chiang Mai province . Mahidol University/Bangkok.
Naphaphorn Panklang. Equity in health : a case study of self-medication in Chiang Mai province. . Bangkok:Mahidol University, 2004.
Naphaphorn Panklang. (2004) Equity in health : a case study of self-medication in Chiang Mai province . Mahidol University/Bangkok.