“EFFECTS OF COST VARIABILITY BETWEEN PRELIMINARY COST ESTIMATES AND TENDER PRICES ON BUILDING PROJECTS IN DAR ES SALAAM - TANZANIA” (2023) The Journal of Building and Land Development, 24(3), pp. 37–54. Available at: http://journals.aru.ac.tz/index.php/JBLD/article/view/392 (Accessed: 9 September 2025).