Toya I. PENGUJIAN KUAT TEKAN BETON MENGGUNAKAN BAHAN TAMBAH PLASTIK JENIS POLYETHYLEN TEREPHTALATE. jstt [Internet]. 2025 Aug. 26 [cited 2026 Oct. 20];11(2):140-5. Available from: http://103.245.72.41/index.php/jstt/article/view/983