Md Arfan, Muhammad Ammar Hafiz, et al. “Evaluating Thermal Exposure Effects on Dielectric and Structural Properties of Water Treatment Residuals”. International Journal of Integrated Engineering, vol. 17, no. 6, Dec. 2025, pp. 159-75, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/21934.