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Buku Teks
Steiner, George A. (George Albert), 1912-, author
Macmillan, 1969
Buku Teks
edited by David W. Ewing
Harper & Brothers, 1958
Buku Teks
Herriadie Mochtar, Author
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UI - Tesis (Membership)
Tourangeau, Kevin W.
McGraw-Hill, 1981
Buku Teks