Klingsad , Rada, and Borvorn Israngkura Na Ayudhya. “Influence of Polypropylene Fiber on Mechanical and Shrinkage Behavior of Porcelain Based Geopolymer”. Civil Engineering Journal, vol. 11, no. 12, Dec. 2025, pp. 5356-81, doi:10.28991/CEJ-2025-011-12-024.