WASET
    H. J. Yang and  R. Z. Jin and  I. J. Park and  C. T. Hyun,  Development of a Support Tool for Cost and Schedule Integration Managment at Program Level .   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2012, vol. 62(2). 203 - 210
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/5253.