Demon: A management planning and control system for successfully marketing new products

von Learner, David B.
Veröffentlicht in American Marketing Association Proceedings of the ... National Conference of the American Marketing Association (1964)

Profit maximization through new-product marketing planning and control

von Learner, David B.
Veröffentlicht in Applications of the sciences in marketing management (1968)

Consumer behavior and normative models

von Frank, Ronald E.
Veröffentlicht in Applications of the sciences in marketing management (1968)