1. Loday Green concrete for sustainable construction;Wangchuk;Intern. J. Res. Eng. Technol.,2013
2. Assessment of concrete strength using flyash and rice husk ash;Kene;Eng. Res. Appl. (IJERA),2011
3. A study on use of rice husk ash in concrete;Rao;Intern. J. Edu. Appl. Res.,2014
4. Global cement production from 1990 to 2030 https://www.statista.com/statistics/373845/global-cement-production-forecast/., Accessed on 29 february 2018.
5. Buildings and Climate Change: Status, Challenges and Opportunities;SBCI,2007