Anyadighibe, Joseph A., Aniebiet Etuk, Edim Eka James, and Rose Stephen. “Effect of Promotional Mix on the Marketing of Insurance Services”. Journal of Business and Management Studies 3, no. 2 (October 9, 2021): 125–134. Accessed August 7, 2025. https://al-kindipublishers.org/index.php/jbms/article/view/2136.