1. 1Andrews, K.R., The Concept of Corporate Strategy, revised ed., Richard D. Irwin, Homewood, IL, 1980.
2. 2Ansoff, H.I., Corporate Strategy, McGraw‐Hill, New York, NY, 1965.
3. 3Mintzberg, H., “Strategy making in three modes”, California Management Review, Vol. 16 No. 2, Winter 1973.
4. 4Porter, M.E., Competitive Strategy ‐ Techniques for Analysing Industries and Competitors, Free Press, New York, NY, 1980.
5. 5Porter, M.E., Competitive Advantage: Creating and Sustaining Superior Performance, Free Press, New York, NY, 1985.