Samosir, Edward Petrus, author
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UI - Tesis (Membership)
Anggi Ghaisani Pertiwi, author
Universitas Indonesia, 2017
UI - Tesis (Membership)
Cortada, James W., author
McGraw-Hill, 1993
Buku Teks
Johnson, Lewis K., author
Allyn and Bacon, 1957
Buku Teks
Mutiara Devika, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Tesis (Membership)