Retrieved 2017-06-01. 1 2 3 4 5 MoSAL 2010, p. 16. ↑ MoSAL 2010, p. 8. ↑ Grut & Ingstad 2006, p. 21. ↑ Al-Wesabi, Sadeq (14 November 2012). "Yemen Center for Autism: struggling 'alone' to serve a growing population nationwide".