Mosley, Daniel J., author
Prentice-Hall, 1993
Buku Teks
Edward Arnold ,
Majalah, Jurnal, Buletin
Universitas Indonesia, 1998
UI - Skripsi (Membership)
compiled and edited by L. L. Farkas
McGraw-Hill, 1966
Buku Teks
Cartz, Louis, author
ASM International, 1999
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