T. A. SHAIKH; PROF. A. A. SENGUPTA. COMPARATIVE STUDY OF POLYPROPYLENE, STEEL AND HYBRID FIBER IN CONCRETE PAVING BLOCKS. International Journal of Innovations in Engineering Research and Technology, Maharashatra, India, v. 9, n. 6, p. 16–24, 2022. DOI: 10.17605/OSF.IO/98G7F. Disponível em: https://repo.ijiert.org/index.php/ijiert/article/view/3121. Acesso em: 29 apr. 2026.