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Journal of the Medical Association of Thailand = Chotmaihet Thangphaet|August 22, 2003
Healthy workplace indicators in Thailand: phase 2 (a pilot study)Pornchai Sithisarankul, Twisuk Punpeng, Sujitra Boonchoo, et al.
Industrial Health|April 21, 2020
Survey of the necessary competencies and proficiency of safety officers in ThailandTomohiro Ishimaru, Twisuk Punpeng, Chavinthorn Maiyapakdee, et al.
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