THAARRINI, Janardhanan; RAMASAMY, Venkatasubramani. RETRACTED: Feasibility Studies on Compressive Strength of Ground Coal Ash Geopolymer Mortar. Periodica Polytechnica Civil Engineering, [S. l.], v. 59, n. 3, p. 373–379, 2015. 10.3311/PPci.7696. Disponível em: https://pp.bme.hu/ci/article/view/7696. Acesso em: 2 may. 2024.