The National epidemiology board of Thailand. (1992). The National epidemiology board of Thailand 1991-1992 biennial report.
Chicago-viite (17. p.)The National epidemiology board of Thailand. The National Epidemiology Board of Thailand 1991-1992 Biennial Report. 1992.
MLA-viite (8. p.)The National epidemiology board of Thailand. The National Epidemiology Board of Thailand 1991-1992 Biennial Report. 1992.
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