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Buku Teks
Johnson, Glenn L., author
Prentice-Hall, 1974
Buku Teks
Kuspira, John
McGraw-Hill, 1973
Buku Teks
Lowfnberg, Edwin C
McGraw-Hill Company, 1967
Buku Teks
Muhamad Arif Budiman, author
Fakultas Hukum Universitas Indonesia, 2021
UI - Skripsi (Membership)