Hansen, Karen Lee
John Wiley & Sons, 2011
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Peterson, J.H.
Murex welding processes ltd, 1969
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Katz, Donald La Verne
McGraw-Hill, 1959
Buku Referensi
Leslie D. "Doc" Long, Clifford Gordon, Charles F. Peck, Jack R. Benjamin
McGraw-Hill, 1982
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Christensen, James J.
Wiley, 1988
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