1. [1] Y. Ahn, J. Suh, S. Kim, and H. Kim, “The software maintenance project effort estimation model based on function points,” Journal of Software Maintenance: Research and Practice, vol.15, no.2, pp.71-85, 2003.
2. [2] R. Banker, S. Datar, and C. Kemerer, “A Model to Evaluate Variables Impacting the Productivity of Software Maintenance Projects,” Management Science, vol.37, no.1, pp.1-18, 1991. 10.1287/mnsc.37.1.1
3. [3] B. Boehm, Software Engineering Economics, Prentice Hall, 1981.
4. [4] B. Boehm, C. Abts, A. Brown, S. Chulani, B. Clark, E. Horowitz, R. Madachy, D. Reifer, and B. Steece, Software Cost Estimation with Cocomo II, Prentice Hall, 2000.
5. [5] R. Brook and G. Arnold, Applied Regression Analysis and Experimental Design, CRC Press, 1985. 10.1201/9781315137674