Ismon, Maznan bin, Al Emran bin Ismail, Muhd. Hafeez bin Zainulabidin, Fazimah binti Mat Noor, Hanani binti Abd Wahab, Zaleha binti Mohamad, and Mohd Amran bin Madlan. 2018. “Thermal Gradient Pattern of Shallow Pitting Via Active Thermography – Hot Water and Steam”. International Journal of Integrated Engineering 10 (1). https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/1953.