Adil Salam and Nadia Bhuiyan and Gerard J. Gouw, Parametric Cost Estimating Relationships for Design Effort Estimation. journal = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2013, vol. 79(7). 1359 - 1364 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/16365.