Ray N. Studi Angka Koefisien Korelasi Kuat Tekan Beton Mutu Tinggi Berdasarkan Umur & Bentuk Benda Uji Standar SNI 03-2847-2002. JTS [Internet]. 2016 Dec. 18 [cited 2025 Dec. 5];1(2). Available from: https://journal.um-surabaya.ac.id/Agregat/article/view/338