1. Total quality Management in the construction process;Arditi;International Journal of Project Management,1997
2. Atkinson, G. (1995). Construction quality and quality standard, the European perspective. E & FN Spon.
3. Industry's guide to ISO 9000;Badiru,1995
4. BSI (1992). (BS 3936): Part 1: 1992, Specification for trees and shrubs. British Standard Institute.
5. Construction management fundamentals;Cliff,2003