Bulisani Ncube, and Mlisa Jasper Ndlovu,. “THE VOLVING USE OF COMPETITIVE INTELLIGENCE AS A STRATEGIC BUSINESS MANAGEMENT TOOL: THE ZIMBABWEAN EXPERIENCE”. Zimbabwe Journal of Science and Technology, vol. 10, no. 1, Aug. 2015, pp. 176-92, https://journals.nust.ac.zw/index.php/zjst/article/view/73.