//-->
Pan American is forty : the story of a great airline
Davies, Ron, (1967)
Pan Am: peril and opportunity
McDonald, John, (1962)
The airlines: A case study in management innovation
Golightly, Henry O., (1967)
Profits, growth, and planning : techniques of modern financial management
Summers, Edward L., (1974)
Accountantʹs productivity increases in a computer-dependent organization
Summers, Edward L., (1969)
The audit staff assignment problem : a linear programming analysis
Summers, Edward L., (1972)