wichita.edu
…Claycomb (2003), “The Practice of a Wellness Lifestyle in a Selling Environment: A Conceptual Exploration,” Journal of Personal Selling and Sales Management, 23, (Summer), 189-202. Porter, Stephen S., Joshua L. Wiener, and Gary L. Frankwick (2003), “The Moderating Effect of Selling Situation on the Adaptive Selling - Sales Effectiveness Relationship,”…
https://www.wichita.edu/academics/business/marketing/Porter.php