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Elex Media Komputindo, 2009
Buku Teks
Navila Arjinia Aulia Sonata, author
2017
UI - Makalah dan Kertas Kerja
Sheriff, Robert E., author
Cambridge University Press, 1994
Buku Teks
Buku Teks
Abell, George O., author
Holt Rinehart and Winston, 1974
Buku Teks