R. A. GAWADE; PROF. A. A. SENGUPTA. EXPERIMENTAL INVESTIGATION ON CONCRETE USING GGBS AS A PARTIAL REPLACEMENT OF CEMENT AND COAL BOTTOM ASH AS A PARTIAL REPLACEMENT OF FINE AGGREGATE. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 13, n. 6, p. 9–21, 2026. DOI: 10.26662/ijiert.v13i6.pp9-21. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/4080. Acesso em: 23 jul. 2026.