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Buku Teks
edit by Brenda Freshman, Louis Rubino, Yolanda (Linda) Reid Chassiakos
Jones and Bartlett, 2010
Buku Teks SO
Ehrlich, Ann
Delmar Cengage Learning, 2012
Multimedia
Stanfield, Peggy S.
Jones & Bartlett Learning, 2012
Buku Teks SO
Boissoneau, Robert
An Aspen Publ., 1980
Buku Teks SO