1. AASHTO, 1993. Guide for Design of Pavements Structures. Washington C: American Association of State Highway and Transportation Officials.
2. AASHTO T 224 Correction For Coarse Particles In The Soil Compaction Test Revised 06/16/2011.
3. AASHTO T 27/T11, 2013. Sieve Analysis of Fine and Coarse Aggregates (August).
4. ASTM D698 Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort.
5. AUSTROADS, 2004. Austroads Pavement Design Guide, Austroads Inc., Sydney, Australia.