Thesis (M.P.H.M.)--Mahidol University, 1999.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/396302192 |
| Date | January 1999 |
| Creators | Ou Sovanndara, Phitaya Charupoonphol, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | Abstract |
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