R. . Congman, M. . Umar, N. H. . Bhayo, M. S. . Ijaz, A. F. . Sharifi, and H. . Akram, “Smartphone Addiction and Subjective Well-being: A Case of International Students at Northeast Normal University, China”, Am J Cre Edu, vol. 2, no. 2, pp. 70–80, Sep. 2019.