Geok, Tan Kim, Ahmed Wasif Reza, and San Choy Liew. “Non-Taylor Series Based Positioning Method for Location Based Services”. Journal of Information and Communication Technology 7 (April 7, 2008): 41–55. Accessed October 17, 2026. https://e-journal.uum.edu.my/index.php/jict/article/view/8079.