POOMRABEAB, P.; ONJUN, O. Innovation of rubber cap for covering concrete block from natural rubber. Bulletin of Applied Sciences, Bangkok, Thailand, v. 3, n. 3, p. 102–113, 2014. DOI: 10.60136/bas.v3.2014.200. Disponível em: https://ph03.tci-thaijo.org/index.php/BAS/article/view/200. Acesso em: 9 dec. 2025.