Amuda Yusuf, Ganiyu, and Sarajul Fikri Mohamed. “Perceived Benefits of Adopting Standard – Based Pricing Mechanism for Mechanical and Electrical Services Installations”. Construction Economics and Building 14, no. 2 (June 3, 2014): 104-119. Accessed February 9, 2023. https://epress.lib.uts.edu.au/journals/index.php/AJCEB/article/view/3864.