I. Siti Rabiatull Aisha and  A. Ourdjini and  O. Saliza Azlina,  The Effectiveness of Bismuth Addition to Retard the Intermetallic Compound Formation.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 109(1). 107 - 111
    [viewed 25 February 2020]. Available from: https://publications.waset.org/pdf/10004675.