Hameed, Hayat K. “Study of Some Mechanical and Physical Pproperties for Epoxy Rreinforced by Ffibers”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 27, no. 2, Apr. 2017, pp. 136-43, https://jih.uobaghdad.edu.iq/index.php/j/article/view/337.