Metode uji kekerasan leeb untuk besi dan baja: standard test method for leeb hardness tesning of steel products(ASTM A956-12,IDT)
Indonesia. Badan Standardisasi NasionalUnknown
Badan Standardisasi Nasional (Jakarta, 2017) (ind) IndonesianUnknownStandar Nasional IndonesiaUnknownSTEEL, STRUCTURAL-SPECIFICATIONS; Box:10.16; Unknown