Title Double Roman Domination in Graphs with Minimum Degree at Least Two and No C5-cycle Type of Research Article Keywords Double Roman Domination in Graphs with Minimum Degree at Least Two and No C5-cycle Abstract Double Roman Domination in Graphs with Minimum Degree at Least Two and No C5-cycle Researchers saeed kosari (First Researcher)، Zehui Shao (Second Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Third Researcher)، Mustapha Chellali (Fourth Researcher)، Rana Khoeilar (Fifth Researcher)، hossein karami (Not In First Six Researchers)