Al-Radaideh, Q. A., & Masri, K. H. (2011). Improving mobile multi-tap text entry for Arabic language. Computer Standards & Interfaces, 33(1), 108. https://doi.org/10.1016/j.csi.2010.04.003
Chicago Style (17th ed.) CitationAl-Radaideh, Qasem A., and Kamal H. Masri. "Improving Mobile Multi-tap Text Entry for Arabic Language." Computer Standards & Interfaces 33, no. 1 (2011): 108. https://doi.org/10.1016/j.csi.2010.04.003.
MLA (9th ed.) CitationAl-Radaideh, Qasem A., and Kamal H. Masri. "Improving Mobile Multi-tap Text Entry for Arabic Language." Computer Standards & Interfaces, vol. 33, no. 1, 2011, p. 108, https://doi.org/10.1016/j.csi.2010.04.003.
Warning: These citations may not always be 100% accurate.