J. Nisar and S. Halim, The Effect of Critical Activity on Critical Path and Project Duration in Precedence Diagram Method. journal = {International Journal of Structural and Construction Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2018, vol. 141(9). 837 - 843 [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10009494.