Keogh, James Edward
McGraw-Hill, 1977
Buku Teks
Lester, James D.
Scott, Foresman and Company, 1987
Buku Teks
Lester, James D.
Scott, Foresman and Company, 1971
Buku Teks
Laster, James D
Scott, Foresman and Company, 1984
Buku Teks
Underwood, James R., author
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Buku Teks