1. Green concrete production incorporating waste carpet fibre and palm oil fuel ash;Asma;J. Clean. Prod.,2016
2. ASTM C 1012–1089. Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution. West Conshohocken, Pennsylvania, United States.
3. ASTM C 267–297. Standard Test Methods for Chemical Resistance of Mortars, Grouts and Monolithic Surfacings and Polymer Concretes. West Conshohocken, Pennsylvania, United States. (Source: http://www.scribd.com/doc/230862438/C267).
4. Standard Test Method for Bulk Density (“Unit Weight”) and Voids in Aggregate;ASTM C 29/C 29M,2009
5. ASTM C 642–06. Standard Test Method for Density, Absorption, and Voids in Hardened Concrete. West Conshohocken, Pennsylvania, United States.