คำพุฒ ป. A Study of Utilizing of Recycled Concrete Specimens. Frontiers in Engineering Innovation Research, [S. l.], v. 8, p. 10–17, 2006. Disponível em: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242254. Acesso em: 2 sep. 2026.