Rangan, V. Kasturi, and Sunru Yong. "TruEarth Healthy Foods: Market Research for a New Product Introduction (Brief Case)." Harvard Business School Teaching Note 094-066, December 2009.
Rangan, V. Kasturi, and Sunru Yong. "Soren Chemical: Why is the New Swimming Pool Product Sinking (Brief Case)." Harvard Business School Teaching Note 104-190, April 2010. (Revised November 2011.) ...