Setyono, Evin Yudhi. “Ultrasonic Pulse Velocity Test Using BS Method And T-Method to Estimate Crack Depth of Concrete”. Logic : Jurnal Rancang Bangun dan Teknologi 23, no. 3 (November 30, 2023): 164–168. Accessed November 5, 2024. https://ojs2.pnb.ac.id/index.php/LOGIC/article/view/1132.