Romadhona, Silvia T., dan Januarti J. Ekaputri. “Effect of Mixing Sequence on Green Concrete Using Artifical Coarse Aggregate”. Journal of Civil Engineering 39, no. 2 (Juli 21, 2025): 141. Diakses Juli 27, 2026. https://journal.its.ac.id/index.php/jce/article/view/7284.