Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1995
UI - Skripsi (Membership)
Waldy Rahman Ziliwu, author
Fakultas Teknik Universitas Indonesia, 2006
UI - Skripsi (Membership)
Levy, Sidney M., author
McGraw-Hill , 2002
Buku Teks
Levy, Sydney M., author
McGraw-Hill , [Date of publication not identified]
Buku Teks
Levy, Sidney M., author
McGraw-Hill, 2012
Buku Teks