1. Agapitus Amadi, “Evaluation of Change in Index properties of Lateritic Soil Stabilized with Fly Ash,” Leonardo Electronic Journal of Practices and Technologies, 2010, pp 69-78.
2. American Association of State Highway and Tansportation Official, “Part II Test”, AASHTO, Thirteeth Edition, 1982.
3. A. Hilmi Lav, M. Aysen Lav. Et.al, “Analysis and design of a stabilized fly ash as pavement base material,” Science Direct, Elsevier, Fuel 85, 2006, pp 2359-2370.
4. BS 1377-4 1990, Methods ofTest for Soils for Civil Engineering purposes, part 4 Compaction-related Test. BSI.
5. Fauzi Achmad, Usama J Fauzi, Wan Mohd Nazmi, Engineering Quality Improvement of Kuantan Clay Subgrade Using Recycling and Reused Material as Stabilizer Proceeding the 2nd International Conference on Rehabilitation and Maintenance in Civil Engineering (ICRMC-2). Solo, 2012, pp 693-708.