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Syafwandi S, Cerra R. The Effect of Substitution of Coarse and Fine Aggregates with Shells of Blood Clams and Cement With Fly Ash and The Additional of Superplasticizer Against The Compressive Test. IJTI [nternet]. 2021May3 [cited 2021Aug.2];4(2):148-56. vailable from: https://jurnal.narotama.ac.id/index.php/ijti/article/view/1344