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أكرم احمد العديني on Twitter: "الكثير من منصات الاعلان والتحليل الالكتروني طورت منصاتها بالاعتماد على نظرية Purchase funnel على يد E. St. Elmo Lewis في عام 1898 https://t.co/vKVgjNEg5k" / X
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Getting the Most Out of Business: Observations of the Application (Classic Reprint): Lewis, Elias St. Elmo: Amazon.com: Books
philipbudd_actioncoach - Have you heard of the AIDA Principle? It's a term that Elias St. Elmo Lewis created in the late 1880s about advertising and stands for Attention, Interest, Desire and Action.
Financial Advertising: For Commercial and Savings Banks, Trust, Title ... - E. St. Elmo Lewis - Google Books
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Elias St. Elmo Lewis, The Credit man and his work, 1904, Detroit by Elias St. Elmo Lewis - First Edition - from FoliBiblio (SKU: lom-MS000230)
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