1. A simple approach to the estimation of soil compaction parameters;Al-Khafaji;Q. J. Eng. Geol.,1987
2. Estimation of soil compaction parameters by means of Atterberg limits;Al-Khafaji;Q. J. Eng. Geol.,1993
3. Standard Test Method for Particle-Size Analysis of Soils;ASTM D422,2007
4. Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity İndex of Soils;ASTM D4318,2010
5. Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer;ASTM D854,2010