Thokchom, Suresh, Partha Ghosh, and Somnath Ghosh. “Durability of Fly Ash Geopolymer Mortars in Nitric acid–effect of Alkali (Na2o) Content”. Journal of Civil Engineering and Management 17, no. 3 (September 20, 2011): 393-399. Accessed November 15, 2024. https://transport.vgtu.lt/index.php/JCEM/article/view/5235.