Spesifikasi bahan bangunan-bagian B: bahan bangunan dari besi/baja
Indonesia. Badan Standardisasi NasionalUnknown
Badan Standardisasi Nasional (Jakarta, [2002]) (ind) IndonesianUnknownStandard Nasional IndonesiaUnknownIRON AS BUILDING MATERIAL-STANDARDS; UnknownUnknown