คำพุฒ ป, สุรชาติเมธินทร์ อ. Apparatus for Helping Cap Concrete Specimens. j.eng.rmutt [Internet]. 2003 Jun. 30 [cited 2024 May 19];3:17-21. Available from: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242348