WASET
    Jianmin Xing and  Rufeng Xing,  Gorenstein Projective, Injective and Flat Modules Relative to Semidualizing Modules.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 86(2). 359 - 364
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997593.