1. Bruns W.J. (1994). Accounting for managers: Text and cases (pp. 69, 88, 97). Cincinnati: Southwest.
2. Burgleman R.A. (1996). Strategic management of technology and innovation (p. 202). Chicago: Irwin.
3. Byars L.L., Rue L.W. & Zahra S.A. (1996). Strategic management (pp. 45, 50–116). Chicago: Irwin.
4. Day G.S. (1990). Market driven strategy (pp. 76, 90–117, 233–237). New York: Macmillian.
5. A Cost-Effectiveness Analysis of an In-House Corporate Occupational Medical Department