Hill, C. W. L., & Jones, G. R. S. ,. A. (2020). Strategic Management: Theory & Cases: An Integrated Approach (13th ed.). Cengage.

Hill, Charles W L., and Gareth R Schilling ,Melissa A. Jones. Strategic Management: Theory & Cases: An Integrated Approach. 13th ed. New delhi: Cengage, 2020.

Hill, Charles W L., and Gareth R Schilling ,Melissa A. Jones. Strategic Management: Theory & Cases: An Integrated Approach. 13th ed. Cengage, 2020.