Title SIGNED STRONG ROMAN DOMINATION IN GRAPHS Type of Research Article Keywords Signed strong Roman dominating function, signed strong Roman domination number Abstract Let G = (V,E) be a finite and simple graph of order n and maximum degree Researchers L. Asgharsharghi (First Researcher)، Rana Khoeilar (Second Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Third Researcher)