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Saputra I, Sulfanita A, Misbahuddin M. Pengaruh Penambahan Abu Tempurung Kelapa dan Silika Fume Terhadap Kuat Tekan Beton. JIRS [Internet]. 28Apr.2025 [cited 29Apr.2026];22(1):54-3. Available from: http://ejournal2.pnp.ac.id/index.php/jirs/article/view/1704