Luehrman, Timothy A., and Joel L. Heilprin. "Midland Energy Resources, Inc.: Cost of Capital, Spreadsheet for Students (Brief Case)." Harvard Business School ...
Viceira, Luis M., and Joel L. Heilprin. "Nextel Peru: Emerging Market Cost of Capital, Spreadsheet for Instructors (Brief Case)." Harvard Business School Spreadsheet Supplement 516-519, December 2015.