Muhangi, G. T. “Professional Competence and Work Engagement: Exploring the Synergy Between Self Efficacy, Job Satisfaction and Job Commitment of Secondary School Teachers in Mbarara District”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 27, no. 1, Jan. 2017, pp. 276-90, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2394.