Metode pengujian sifat dispersif tanah dengan alat pinhole
Indonesia. Badan Standardisasi NasionalUnknown
Badan Standardisasi Nasional (Jakarta, [1994]) (ind) IndonesianUnknownStandar Nasional Indonesia (SNI)UnknownSOILS-TESTING-STANDARDS; Appendix : p. 13 - 15; Box: 1/25; Unknown