WASET
    M. A. Hassan and  M. H. Sakinah and  K. Kadirgama and  D. Ramasamy and  M. M. Noor and  M. M. Rahman,  Tribological Behaviour Improvement of Lubricant Using Copper (II) Oxide Nanoparticles as Additive.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 110(2). 363 - 371
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10003861.