[1]
., R. et al. 2018. Substitution Local Resources Basalt Stone Scoria Lampung, Indonesia, as a Third Raw Material Aggregate to Increase The Quality of Portland Composite Cement (PCC). International Journal of Engineering & Technology. 7, 2 (Apr. 2018), 484–490. DOI:https://doi.org/10.14419/ijet.v7i2.11252.