Carr, Richard H.
Welding practices and procedures
Prentice-Hall, 1983
Buku Teks
Roe, L.B.
Practices and procedures of industrial electrical design / L.B. Roe
McGraw-Hill, 1972
Buku Teks
Metallographer's guide: practices and procedures for irons and steels
eBooks
Bramfitt, Bruce L.
Metallographer's guide: practices and procedures for irons and steels
ASM International, 2002
eBooks
Thelning, Karl-Erik
Steel and its heat treatment: bofors handbook
London: Butterworths, 1967
Buku Teks