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Karyawan IDMA, Hasyim H, Widianty D, Yuniarti R. Characteristics of Asbuton Mix Using Geopolymer Fly Ash Coarse Aggregate as a Substitute for Natural Aggregates . jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Jun. 25 [cited 2024 Jul. 3];9(6):4156-63. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3937