( Effectiveness & Efficiency) تعريف الفعالية و الكفاءة Hoa Kỳ

تعريف مبسط للفعالية و الكفاءة Mohamed Roshdy is a certified ITIL Expert, ITIL Managing Professional, Project Manager, Consultant, Accredited Trainer and Auditor for ISO 20000, ISO 270000 With over 29 years of experience and over 150 course deliveries and helped several trainees become certified ITIL-Experts.

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