Kittipong Kongsomboon และผู้แต่งคนอื่นๆ. (2006) Depression of secondary school students in Ongkharak district , Nakhon Nayok province according to nutritional status, age groups and gender : Cross sectional study. <i>Journal of Medicine and Health Sciences</i>, <i>13</i>(2), 207-216.Kittipong Kongsomboon และผู้แต่งคนอื่นๆ. "Depression of secondary school students in Ongkharak district , Nakhon Nayok province according to nutritional status, age groups and gender : Cross sectional study". Journal of Medicine and Health Sciences 13 (2006):207-216.Kittipong Kongsomboon และผู้แต่งคนอื่นๆ. Depression of secondary school students in Ongkharak district , Nakhon Nayok province according to nutritional status, age groups and gender : Cross sectional study. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2006.