1 2 Grut & Ingstad 2006, p. 27. ↑ Ingstad, Baider & Grut 2011, p. 144. 1 2 3 ESCWA 2009, p. 5. ↑ Grut & Ingstad 2006, p. 24. ↑ Yemen at the Paralympics on paralympic.org ↑ "Yemen". ↑ ESCWA 2009, p. 9. 1 2 Grut & Ingstad 2006, p. 16.