Bosco Azigwe, J., G. Maryir, and B. A. Asunka and Florence Manamzor. “Customer Satisfaction for Company Growth: The Roles, Responsibilities and Skills Required of the Sales Force in Ghana”. British Journal of Marketing Studies, Vol. 4, no. 5, Aug. 2016, pp. 74-84, https://bjmsjournal.org/index.php/bjms/article/view/155.