1. Software function, source lines of code, and development effort prediction;Albrecht;IEEE Trans. Software Engg.,1983
2. Fuzzy Modeling For Control;Babuska,1999
3. Intermediate Statistical Methods and Applications: A Computer Package Approach;Berenson,1983
4. Patern Recognition with Fuzzy Objective Function Algorithm;Bezdek,1981
5. Software Engineering Economics;Boehm,1981