↑ Best Thomas - A study on stress and its correlatives with family environment.
↑ "Global evaluation of life skills education programmes" (PDF). http://www.unicef.org (Evaluation Report). New York: United Nations Children’s Fund. 2012-08. p. 9. สืบค้นเมื่อ 2014-09-02. While there has been convergence on what the broad groups of core psychosocial skills might be, there is no definitive list or categorization of the skills involved and how they might relate to one another. Check date values in: |date= (help); External link in |website= (help)
