1. The concept of corporate strategy;Andrews,1971
2. Strategies for diversification;Ansoff;Harvard Business Review,1957
3. Corporate strategy: An analytic approach to business policy for growth and expansion;Ansoff,1965
4. Organizational learning: A theory of action perspective;Argyris,1978
5. Association of Research Libraries. (n.d.). LibQUAL+®. Available from .