"Technical Note on Summation Notation."

Arnoldo Hax. In Harvard Business School Note 4-172-125, Cambridge, MA: February 1972.

"Aluminum Products International (A) and Supplement."

Arnoldo Hax. In Harvard Business Case 4-172-184, Cambridge, MA: January 1972.

"Aluminum Products International (B)."

Arnoldo Hax. In Harvard Business Case 4-172-185, Cambridge, MA: January 1972.

"Canned Products, Inc."

Arnoldo Hax. In Harvard Business Case 4-172-192, Cambridge, MA: January 1972.

"Rubberflex Tire Company Case (A) and Supplement."

Arnoldo Hax. In Harvard Business Case 4-172-115, Cambridge, MA: January 1972.

"Rubberflex Tire Company Cases (B)."

Arnoldo Hax. In Harvard Business Case 4-172-116, Cambridge, MA: January 1972.