Title BOUNDS ON THE TOTAL DOUBLE ROMAN DOMINATION NUMBER OF GRAPHS Type of Research Article Keywords BOUNDS ON THE TOTAL DOUBLE ROMAN DOMINATION NUMBER OF GRAPHS Abstract BOUNDS ON THE TOTAL DOUBLE ROMAN DOMINATION NUMBER OF GRAPHS Researchers Guoliang Hao (First Researcher)، Zhihong Xie1 (Second Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Third Researcher)، Maryam Hajjari (Fourth Researcher)