Tawatchai Apidechkul และ Tanika Songla. (2016) TRAFFIC INJURY IN NORTHERN THAILAND IN 2011-2013: A CROSS SECTIONAL SURVEY. <i>Journal of Medicine and Health Sciences</i>, <i>23</i>(3), 26-39.Tawatchai Apidechkul และ Tanika Songla. "TRAFFIC INJURY IN NORTHERN THAILAND IN 2011-2013: A CROSS SECTIONAL SURVEY". Journal of Medicine and Health Sciences 23 (2016):26-39.Tawatchai Apidechkul และ Tanika Songla. TRAFFIC INJURY IN NORTHERN THAILAND IN 2011-2013: A CROSS SECTIONAL SURVEY. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2016.