Salih, S. M. and Shaker, S. J. (2018) “Orthogonal Generalized Symmetric Higher bi-Derivations on Semiprime Г-Rings .”, Iraqi Journal of Science, 59(2A), pp. 711-723. Available at: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/276 (Accessed: 5December2021).