Phorntip Layanun. 2001. The development of a health promotion management system in the workplace for the garment industry in Bangkok Metropolis. Field of Study Health Administration, Mahidol University;
Phorntip Layanun. (2001) The development of a health promotion management system in the workplace for the garment industry in Bangkok Metropolis . Mahidol University/Bangkok.
Phorntip Layanun. The development of a health promotion management system in the workplace for the garment industry in Bangkok Metropolis. . Bangkok:Mahidol University, 2001.
Phorntip Layanun. (2001) The development of a health promotion management system in the workplace for the garment industry in Bangkok Metropolis . Mahidol University/Bangkok.