Leony Wesvalia. author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)
Tony Hartono, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Tesis (Membership)
Burns, James McGregor, author
Harper and Row, 1978
Buku Teks
American Management Association, 1957
Buku Teks
Stein, Guido, author
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