Shankar, V. (2006).Proactive and Reactive Product Line Strategies: Asymmetries Between Market Retrieved from: http://search.proquest.com.ezproxy. Leaders and Followers. sckans.edu/docview/213261940/fulltextPDF?source=fedsrch&accountid=13979. Thompson, A. A. (2014). Retrieved from: Strategy: Core concepts and analytical approaches. http://www.bsg-online.com. Thompson, A., Stappenbeck, G., Reidenbach, M. (2014). Retrieved from: Player’s guide. https://www.bsg-online.com/users/PlayersGuide.pdf.
Shankar, V. (2006).Proactive and Reactive Product Line Strategies: Asymmetries Between Market Leaders and Followers. Retrieved from: http://search.proquest.com.ezproxy. sckans.edu/docview/213261940/fulltextPDF?source=fedsrch&accountid=13979. Thompson, A. A. (2014). Strategy: Core concepts and analytical approaches. Retrieved from: http://www.bsg-online.com. Thompson, A., Stappenbeck, G., Reidenbach, M. (2014). Player’s guide. Retrieved from: https://www.bsg-online.com/users/PlayersGuide.pdf.