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McGraw-Hill , 1980
Buku Teks
Amellia, author
2019
UI - Tesis (Membership)
Hatch, Mary Jo
Oxford University Press, 1997
Buku Teks
French, Wendell L., author
Prentice-Hall International, 1990
Buku Teks
Caplo, Theodore, author
Harcourt, Brace & World, 1964
Buku Teks