WASET
    Olatunde I. Sekunowo and  Stephen I. Durowaye and  Oluwashina P. Gbenebor,  Effect of Copper on Microstructure and Mechanical Properties of Construction Steel.   journal   = {International Journal of Structural and Construction Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 92(8). 855 - 859
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/9999677.