Sani, A. S. “Appraising the Effectiveness of the Marketing Approaches Used by Quantity Surveying Companies in Kano State”. Savannah Journal of Science and Engineering Technology 1, no. 4 (August 31, 2023): 165–174. Accessed September 13, 2025. https://www.sajsetjournal.com.ng/index.php/journal/article/view/58.