Zable, M. A. H., Z. Ismail Khan, N. A. Zakaria, N. E. Abd Rashid, N. Ismail Khan, M. K. A. Mahmood, and D. K. Ghodgaonkar. 2023. “Investigation on Dielectric Properties of Sludge Waste from Water Treatment Using Microwave Non-Destructive Testing (MNDT)”. International Journal of Integrated Engineering 15 (3): 163-69. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/12886.