1. Comparison of different methods for enhancing reactivity of pozzolan;Shi;Cem Concr Res,2001
2. Shi C. An overview on the activation of reactivity of natural pozzolan. NCR Canada; 2001.
3. Bondar D. Alkali activation of Iranian natural pozzolans for producing geopolymer cement and concrete. A dissertation submitted to University of Sheffield in fulfilment of the requirements for the degree of Doctor of Philosophy, UK; 2009.
4. Bondar D, Lynsdale CJ, Neil B. Milestone, Ramezanianpour AA. Alkali-activation of natural pozzolan for geopolymer cement production. In: Proc int conf: sustainable construction materials and technologies 2007 Coventry, England, ISBN 13: 978-0-415-44689-1, p. 313–7.
5. Geopolymers: inorganic polymeric new materials;Davidovits;J Mater Educ,1994