"القراءة تصنع إنساناً كاملاً، والمشورة تصنع إنساناً مستعداً، والكتابة تصنع إنساناً دقيقاً." —احصل علي عروض وخصومات خاصة عن طريق واتساب 0096550300046 -- شحن الي كافة انحاء العالم
Roger J. Fritz (July 18, 1928 – March 24, 2011) was an American management consultant, columnist, international speaker and author of 63 management development and motivational books. His most popular book was The Power of a Positive Attitude, written in 2008. He was also the 17th president of Willamette University in Oregon, from 1969 to 1972.
