Abbas, Dr. S.M. Shariq, and Ahmed Ibrahim Karage. “Malaysia-Nigeria Comparative Study on Locus of Control and Subjective Well Being Among Public Sector Organizations”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 26, no. 1, Apr. 2016, pp. 372-83, https://gssrr.org/JournalOfBasicAndApplied/article/view/5410.