PONSORN, P. A Theoretical Analysis Incorporating Empirical Formulas for Minimum GFRP Circular Spiral Reinforcement in Concrete Column Confinement. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 4, p. 25417–25421, 2025. DOI: 10.48084/etasr.11445. Disponível em: https://etasr.com/index.php/ETASR/article/view/11445. Acesso em: 1 may. 2026.