Obadofin , P. B. ., E. B. . Onyeka, and E. C. . Nchedochukwu. “Impacts of Smartphone Addiction on Academic Performance of Students in Senior Secondary Schools in Lagos State”. Research and Analysis Journal, vol. 3, no. 06, July 2020, pp. 253-60, http://rajournals.com/index.php/raj/article/view/138.