7Y M Cheng. An exploration into cost-influencing factors on construction projects [ J ]. International Journal of Project Management,2014,32 (5) :850-860.
8Olawale Yakubu Adisa, Sun Ming. Cost and time control of construction projects: inhibiting factors and mitigating measures in practice [ J ]. Construction Management and Economics,2010, 28(5) :509-526.
9Tien Choon Toh, Connie Ting, Kherun Nita Ali, et al. Critical cost factors of building construction projects in Malaysia [ J ]. Procedia Social and Behavioral Sciences, 2012,57 (9) :360-367.
10A Uchechukwu Ellnwa, Silas A Buba. Construction cost factors in Nigeria[J]. Journal of Construction Engineering and Management, 1993,119 (4) : 698-713.