edited by George E. Dieter, Howard A. Kuhn, S. Lee Semiatin
ASM International, 2003
eBooks
Speight, James G., author
McGraw-Hill, 2002
Buku Referensi
Karch, Amy M., author
J.B. Lippincott , 1989
Buku Teks
Febrian, author
United Nations Development Programme (UNDP), 2009
Buku Teks
New York: McGraw-Hill, 1974
Buku Teks