Book · recommended on 1 episode
Scientific Advertising
Claude C. Hopkins ISBN 9781945186820
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Claude C. Hopkins ISBN 9781945186820
Find it on AmazonAffiliate link — we may earn a commission at no extra cost to you.
“i remember having i think it was scientific advertising which was published a few years before this book recommended to me and it was i want to say a public domain and i found it incredibly helpful”— Tim Ferriss
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