Keyser, Carl A.
Prentice-Hall, 1956
Buku Teks
Budinski, Kenneth G., author
Pearson Education, 2002
Buku Teks
Upadhyaya, G.S.
John Wiley & Sons, 2000
Buku Teks
Horath, Larry, author
Prentice-Hall, 2001
Buku Teks
edited by Oksana Ostroverkhova
Woodhead, 2013
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