Crump, Derrick, author
Aquantum Book, 1992
Buku Referensi
Crump, Derrick
Chancellor Press , 1999
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Dean, Yvonne
Mitchel, 1989
Buku Teks
Bagaskara Aji, author
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi Membership
Miller, Judith, author
Reed International Books Limited, 1992
Buku Referensi