Youngyud Wongpiromsarn และผู้แต่งคนอื่นๆ. (2011) Strengths and Difficulties Questionnaire (SDQ) Thai improved version: change and administration. <i>Journal of Mental Health of Thailand</i>, <i>19</i>(2), 128-134.Youngyud Wongpiromsarn และผู้แต่งคนอื่นๆ. "Strengths and Difficulties Questionnaire (SDQ) Thai improved version: change and administration". Journal of Mental Health of Thailand 19 (2011):128-134.Youngyud Wongpiromsarn และผู้แต่งคนอื่นๆ. Strengths and Difficulties Questionnaire (SDQ) Thai improved version: change and administration. Department of Mental Health Thailand:ม.ป.ท. 2011.