CITRA, Z.; WIBOWO, P.; MALINDA, Y.; WIBISONO, A.; APDENI, R.; HEROL, H. Testing of Concrete Structures with Non-Destructive Test Method (NDT) Using Ultrasonic Pulse Velocity (UPV) at the Building on the Ancol Beach. CIVED, v. 11, n. 1, p. 217-225, 31 mar. 2024.