WASET
    Ganiyu Amuda Yusuf and  Sarajul Fikri Mohamed,  Examination of Pre-Tender Budgeting Techniques for Mechanical and Electrical Services in Malaysia.   journal   = {International Journal of Mechanical and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2012, vol. 63(3). 745 - 749
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10159.