Wesonga, Justus Nyongesa, and Johan Van Der Westhuizen. “The Effect of Professional Development on Competitive Advantage”. International Journal of Innovative Research and Scientific Studies 8, no. 3 (May 7, 2025): 1497–1508. Accessed June 23, 2025. https://www.ijirss.com/index.php/ijirss/article/view/6827.