Porntip Dumrongpattama และผู้แต่งคนอื่นๆ. (2009) The application of geographic information system in the study of the epidemiology of suicide. <i>Journal of Mental Health of Thailand</i>, <i>17</i>(2), 67-76.Porntip Dumrongpattama และผู้แต่งคนอื่นๆ. "The application of geographic information system in the study of the epidemiology of suicide". Journal of Mental Health of Thailand 17 (2009):67-76.Porntip Dumrongpattama และผู้แต่งคนอื่นๆ. The application of geographic information system in the study of the epidemiology of suicide. Department of Mental Health Thailand:ม.ป.ท. 2009.