Parasuraman, S., Sam, A. T., Yee, S. W. K., Chuon, B. L. C., & Ren, L. Y. (2017). Smartphone usage and Increased Risk of Mobile Phone Addiction: A Concurrent Study. International Journal of Pharmaceutical Investigation, 7(3), 125-131. Retrieved from https://www.jpionline.org/index.php/ijpi/article/view/207