siah, poh chua, Brian Siew , Y. and Sai , Z.Y. 2020. Social Media Addiction and Academic Adjustment: The Mediating or Moderating Effect of Grit Personality . International Journal of Psychology and Educational Studies. 7, 3 (Sep. 2020), 143–151. DOI:https://doi.org/10.17220/ijpes.2020.03.013.