Y. I. Hammadi and T. S. Mansour, “A Simple and Efficient Method to Fabricate Graphene 2D Nanomaterial into a thin Film to Serve as a Saturable a bsorber for Fiber Laser Application”, IJET, vol. 7, no. 4.15, pp. 298–300, Oct. 2018, doi: 10.14419/ijet.v7i4.15.23011.