Mashamba, T., M. G. Kanakana-Katumba, and R. W. Maladzhi. “VARIATION ORDERS DURING EXECUTION OF CONSTRUCTION INFRASTRUCTURE PROJECTS: CASE STUDY OF AN ELECTRICITY COMPANY”. The South African Journal of Industrial Engineering, vol. 34, no. 4, Dec. 2023, pp. 76-90, https://sajie.journals.ac.za/pub/article/view/2898.