Semko, Oleksandr, Olga Gukasian, and Serhii Skliarenko. “Effects of Concrete Core Technological Defects on the Strength of Tube Confined Concrete Elements”. International Journal of Engineering and Technology 7, no. 3.2 (June 20, 2018): 376–381. Accessed August 18, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/14556.