1. Ahn, S. H. and Kang, K. I. (2005). “A study on construction cost prediction for pre-phase of apartment house using expert knowledge, collection of learned papers (structural section).” Architectural Institute of Korea, Vol. 21 No. 6, pp. 81–88.
2. Albright, S. C. and Winston, W. L. (2007). Management science modeling, Thomson South-Western, Mason, Ohio.
3. Bell, L. C. and Kaminsky, A. (1987). “Data base for preliminary cost estimating.” Journal of Transportation Engineering, Vol. 113, No. 4, pp. 341–347.
4. Carr, R. I. (1989). “Cost estimating principles.” Journal of Construction Engineering and Management, Vol. 115, No. 4, pp. 545–551.
5. Chung, C. (2002). Optimization of sewer rehabilitation schedule and budget by genetic algorithm, Master’s Degree dissertation, Yonsei University, p. 56.