Oman. Ministère de l'information et de la culture (1989). The Journal of Oman studies. Ministry of Information and Culture, Sultanate of Oman. p. 12. Retrieved 11 May 2011.
Oman. Ministère de l'information et de la culture (1989). The Journal of Oman studies. Ministry of Information and Culture, Sultanate of Oman. p. 10. Retrieved 11 May 2011.