Kerin, R. (1987). Strategic marketing problems: Cases and comments (4ª ed.). Allyn and Bacon.
Tohutoru Kātū ChicagoKerin, Roger. Strategic Marketing Problems: Cases and Comments. 4ª ed. Allyn and Bacon, 1987.
Tohutoro MLAKerin, Roger. Strategic Marketing Problems: Cases and Comments. 4ª ed. Allyn and Bacon, 1987.
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