@book{33977, author = {Ashworth, Allan, and Perera, Srinath}, title = {Contractual procedures in the construction industry}, publisher = {Routledge, }, year = {c2018.}, address = {London :}, edition = {7th ed.}, url = {https://uowd.box.com/s/cxwtfvj6w2cpiex8vwo6s6yc7q7lxsn4} }