Thesis (M.P.H.M.)--Mahidol University, 1999.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/396303031 |
Date | January 1999 |
Creators | Sin Sovann, Boonyong Keiwkarnka, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
Source | Abstract |
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