Zhizhong Jiang and Peter Naudé, An Examination of the Factors Influencing Software Development Effort . journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2007, vol. 4(4). 929 - 938 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/5568.