حـــرف أ.ثابت الآسدي - هارنكتون أميرسون Harrington Emerson: ولد العالم الأمريكي هارنكتون أميرسون في ولاية نيوجيرسي الأمريكية عام 1853. وهو أول من استعمل مصطلح هندسة الكفاءة لوصف استشاراته التي يقدمها للآخرين.
Harrington Emerson's Home Course of Study in Personal Efficiency: Lesson One ... - Harrington Emerson - Google Books
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PARADOX on Twitter: "105 years later... goes to show, the basics of business (and life) don't change that much: 12 Principles of Efficiency by Harrington Emerson https://t.co/qkV4z1HOql" / Twitter
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Harrington Emerson's home course of study in personal efficiency | SELF-IMPROVEMENT, Harrington Emerson
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