M. Z. Ibrahim and M. Z. Norashikin, Universal Qibla and Prayer Time Finder. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2009, vol. 34(10). 1816 - 1821 [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10729.