1. Burnett M. M. Goldberg A. and Lewis T. G. Visual Object-Oriented Programming: Concepts and Environments. Manning (1994). Burnett M. M. Goldberg A. and Lewis T. G. Visual Object-Oriented Programming: Concepts and Environments. Manning (1994).
2. The impact of object-orientation on application development
3. Cox B. Andrew J. Novobilski J. Object-Oriented Programming-- An Evolutionary Approach 2nd ed. Addison-Wesley Reading Mass. (1991). Cox B. Andrew J. Novobilski J. Object-Oriented Programming-- An Evolutionary Approach 2nd ed. Addison-Wesley Reading Mass. (1991).
4. Object-oriented and conventional analysis and design methodologies