Ooi, J. 2007. Merdeka... 50 years of Islamic State?. Available from: Jeff Ooi (19 July 2007). "Merdeka... 50 years of Islamic State?". Jeffooi.com. Archived from the original on 10 June 2011. Retrieved 10 June 2011..
Ooi, J. 2007. Merdeka... 50 years of Islamic State?. Available from: Jeff Ooi (19 July 2007). "Merdeka... 50 years of Islamic State?". Jeffooi.com. Archived from the original on 10 June 2011. Retrieved 10 June 2011..