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Sianturi RA, Rais A. ANALISIS PENGARUH ABU AMPAS TEBU DAN SUPERPLASTICIZER TERHADAP SIFAT MEKANIK BETON MUTU TINGGI. einstein e-j. [Internet]. 2023 Jun. 28 [cited 2025 Oct. 12];11(2):116-23. Available from: https://jurnal.unimed.ac.id/2012/index.php/einsten/article/view/38807