Gurung DH, Jha VK. Synthesis of Geopolymer from Coal Fly Ash and its Comparative Study with Fly Ash Based Ordinary Nepalese Cement. Sci World [Internet]. 2020 Aug. 5 [cited 2024 May 1];13(13):24-8. Available from: https://www.nepjol.info/index.php/SW/article/view/30502