Mohamad Dzol, M.A.A. (2026) “Catalytic Performance of NiO/Eggshell Prepared via Sol-Gel Technique in Pyrolysis of Mixed HDPE and PET”, International Journal of Integrated Engineering, 18(3), pp. 48–62. Available at: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/20747 (Accessed: 22 July 2026).