S. B. Mohtar and M. Abbas, “Smartphone Buying Behavior of Consumer”, Pollster j. acad. res., vol. 1, no. 1, pp. 75–82, Jun. 2014, Accessed: Jan. 26, 2026. [Online]. Available: https://pollsterpub.org/OJS_PJAR/index.php/PJAR/article/view/8