Spesifikasi agregat tanah lapis pondasi bawah, lapis pondasi dan lapis permukaan
Indonesia. Badan Standardisasi NasionalUnknown
Badan Standardisasi Nasional (Jakarta, [2000]) (ind) IndonesianUnknownStandard Nasional Indonesia (SNI)UnknownAGGREGATES (BUILDING MATERIALS); Box 5/202; Unknown