Haamubbi, Russel, and Basil Hamusokwe Hamusokwe. “Effectiveness of Internal Communication Channels in Enhancing Information Flow and Employee Engagement: A Case Study of the Zambia Development Agency”. African Journal of Commercial Studies 7, no. 2 (April 3, 2026): 155–165. Accessed June 11, 2026. https://ijcsacademia.com/index.php/journal/article/view/478.