A. Al-Mazloum and E. Omer and M. F. A. Abdullah, GPS and SMS-Based Child Tracking System Using Smart Phone. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2013, vol. 74(2). 238 - 241 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/9996929.