Zulkifli, Nuralia Izzaty, Anizahyati Alisibramulisi, Nadiah Saari, Rohana Hassan, Ekarizan Shaffie, Norshariza Mohamad Bhkari, and Muhd Norhasri Muhd Sidek. 2021. “Experimental Investigation of Ultrasonic Pulse Velocity (UPV) Test Specimen in Assessing the Strength of Steel Fiber Reinforced Concrete Structure”. Journal of Advanced Industrial Technology and Application 2 (2):34-41. https://publisher.uthm.edu.my/ojs/index.php/jaita/article/view/10125.