1. AASHTO T259. (1980) Standard Method of Test for Resistance of Concrete to Chloride Ion Penetration”, (T259-80), American Association of State Highway and Transportation Officials, Washington, D.C., U.S.A.
2. AASHTO T277. (1983) Electrical Indication of Concrete’s Ability to Resist Chloride Ion Penetration (Rapid Chloride Permeability Test), American Association of State Highway and Transportation Officials, Washington, D.C., U.S.A.
3. Strength and some durability properties of concrete containing rice husk ash produced in a charcoal incinerator at low specific surface;Abalaka;Int. J. Concr. Struct. Mater.,2013
4. ACI Committee 213 (2003). Guide for Structural Lightweight Aggregate Concrete -ACI 213R-03, American Concrete Institute, Farmington Hills, MI.
5. The use of rice husk ash as partial replacement for cement in concrete;Adenuga;Lagos J. Environ. Stud.,2010