YANKAH, J. E. Principal Barriers to Marketing Performance Of Quantity Surveying Consulting Firms. AFRICAN JOURNAL OF APPLIED RESEARCH, [S. l.], v. 2, n. 2, 2015. Disponível em: https://www.ajaronline.com/index.php/AJAR/article/view/141. Acesso em: 20 may. 2024.