Metode mempersiapkan contoh tanah dan tanah mengandung agregat
Indonesia. Badan Standarisasi NasionalUnknown
Badan Standardisasi Nasional (Jakarta, [1990]) (ind) IndonesianUnknownStandar Nasional Indonesia (SNI)UnknownSOILS-TESTING-STANDARDS; Appendix: p. 10; Box 1/9; Unknown