Sudjai Tolpanichgit และผู้แต่งคนอื่นๆ. (1997) Working conditions and safety in the workplace of women workers in Bangkok Metropolis. National Institute of Development Administration:ม.ป.ท.Sudjai Tolpanichgit และผู้แต่งคนอื่นๆ. 1997. Working conditions and safety in the workplace of women workers in Bangkok Metropolis. ม.ป.ท.:National Institute of Development Administration;Sudjai Tolpanichgit และผู้แต่งคนอื่นๆ. Working conditions and safety in the workplace of women workers in Bangkok Metropolis. ม.ป.ท.:National Institute of Development Administration, 1997. Print.