1Hoskisson, Robert E. and Michael A. Hitt.,1990, "Antecedents and Performance Outcomes of Diversification: A Review and Critique of Theoretical Perspectives", Journal of Management,16(2): pp,461-509.
2Ramanujam, V. and P. Varadarajan,1989, "Research on Corporate Diversification: A Synthesis", Strategic Management Journal, 1989, 10: pp.523-551.
3Hill, W.L. and S. Hansen,1991, "A Longitudinal Study of the Cause and Consequences of Changes in Diversification in the U.S. Pharmaceutical Industry 1977-1986", Strategic Management Journal, 1991, 12: pp.187-199.
5Larsson, R., 1990, Co-ordination of Action in Mergers and Acquisitions, Lund, Lund University Press.
6R. Marris,1963, "A Model of the Managerial Enterprise",Quarterly Journal of Economics,77: pp.185-209.
7W. Baumol,1958, "On the Theory of Oligopoly", Economica, 25: pp.187-198.
8Amey, L.,1964, "Diversified Manufacturing Businesses",Journal of the Royal Statistical Society, A(127): pp.251-90.
9Gollop, F.M., Monahan, J.L.,1991", "A Generalized Index of Diversification: Trends in U.S. Manufacturing", The Review of Economics and Statistics, 1991, 73: pp.318-330.
