Thitiworn Choosong. 2003. A study of melatonin levels and stress in female shift workers. Field of Study Industrial Hygiene and Safety, Mahidol University;
Thitiworn Choosong. (2003) A study of melatonin levels and stress in female shift workers . Mahidol University/Bangkok.
Thitiworn Choosong. A study of melatonin levels and stress in female shift workers. . Bangkok:Mahidol University, 2003.
Thitiworn Choosong. (2003) A study of melatonin levels and stress in female shift workers . Mahidol University/Bangkok.