Ponder, Randall D.
Leadership made easy
EP Entrepreneur Press, 2005
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Maxwell, John C.
Jump start your leadership : a 90-day improvement plan
NY : Center Street, 2014
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Burns, James McGregor
Leadership
Harper and Row, 1978
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Maxwell, John C.
The 5 levels of leadership: proven steps to maximize your potential = Lima tingkat kepemimpinan : (Langkah-langkah yang telah terbukti berhasil memaksimalkan kemampuan anda)
Menuju Insan Cemerlang, 2016
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Manning, George, 1943-
The art of leadership
McGraw-Hill, 2003
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