Philip Kotler 5 Ray C. Fair ,Karl E. Case 3 Michael R. Solomon 2 Warren J. Keegan 2 Dimitrios Buhalis 1 Veal, A.J. 1 Cruden, Robert 1 Hammer, Mark J. 1 Keane, Leila 1 Arthur J. Keown ,David F. Scott, Jr ,John D. Martin ,J. William Petty 1 Robert C. Nickerson 1 Aguinis, Herman 1 Mark L. Berenson ,David Stephan ,David M. Levine 1 J. David Hunger ,Wheelen, Thomas L. 1 Luis R. Gomez-Mejia ,David B. Balkin ,Robert L. Cardy 1 David K. Hayes ,Jack D. Ninemeier ,Woods, Robert H. ,Michele A. Austin 1 Sharpe, William F. ,Alexander, Gordon J. ,Bailey, Jeffery 1 Ember, Carol R 1 Pattow, Donald ,Wresch, William 1 William S. Gray 1