Johnson, George, author
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Buku Teks
Schifferres, Justus J., author
John Wiley & Sons, 1966
Buku Teks
Johnson, George B., author
McGraw-Hill, Higher Education, 2008
Buku Teks
Johnson, George B., author
McGraw-Hill, 2003
Buku Teks
Johnson, George B., author
McGraw-Hill, 2012
Buku Teks