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Nahar และผู้แต่งคนอื่นๆ. (1994) Smoking behavior and justification among physicians in Siriraj and Ramathibodi Hospitals Bangkok, Thailand . Mahidol University/Bangkok.
Nahar และผู้แต่งคนอื่นๆ. Smoking behavior and justification among physicians in Siriraj and Ramathibodi Hospitals Bangkok, Thailand. . Bangkok:Mahidol University, 1994.
Nahar และผู้แต่งคนอื่นๆ. (1994) Smoking behavior and justification among physicians in Siriraj and Ramathibodi Hospitals Bangkok, Thailand . Mahidol University/Bangkok.