Aftina Wiedarini, author
Fakultas Eknomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)
Dale, Ernest, author
McGraw-Hill, 1973
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Rue, Leslie W., author
Richard D. Irwin, 1980
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Swiss German Univeristy, 2015
Artikel Jurnal
Muhammad Teguh Kuncoro, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Skripsi (Membership)