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Buku Teks
Skidmore-Roth, Linda, author
Elsevier, 2006
Buku Teks
Rodman, Morton J., author
J.B. Lippincott, 1968
Buku Teks
Spratto, George R., author
Delmar Cengage learning, 2010
Buku Referensi
Spratto, George R., author
Delmar Cengage Learning, 2012
Buku Referensi