edited by Eduardo P. Archetti
MacMillan Education, 1987
Buku Teks SO
Burns, E. Bradford
Prentice-Hall, 1977
Buku Teks SO
Powelson, John P.
McGraw-Hill , 1964
Buku Teks
Powelson, John P.
McGraw-Hill , 1964
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Pía Riggirozzi
Springer, 2012
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