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Arpapat Nantavitayaporn. (2005) The development of self-medication under Thai health system . Silpakorn University/Bangkok.
Arpapat Nantavitayaporn. The development of self-medication under Thai health system. . Bangkok:Silpakorn University, 2005.
Arpapat Nantavitayaporn. (2005) The development of self-medication under Thai health system . Silpakorn University/Bangkok.