Kittipong Kongsomboon และผู้แต่งคนอื่นๆ. (2006) Anemia of 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>(3), 205-233.Kittipong Kongsomboon และผู้แต่งคนอื่นๆ. "Anemia of 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):205-233.Kittipong Kongsomboon และผู้แต่งคนอื่นๆ. Anemia of 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.