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Buku Teks SO
Morse, Stephen A.
Crest Publishing House, 2001
Buku Teks SO
Stern, Mark E.
McGraw-Hill, 1966
Buku Teks SO
Firmanzah
Salemba Empat, 2009
Buku Teks
Farbey, A.D.
Crest Publishing House, 2001
Buku Teks SO