Title Restrained condition on double Roman dominating functions Type of Research Article Keywords Restrained condition on double Roman dominating functions Abstract Restrained condition on double Roman dominating functions Researchers Babak Samadi (First Researcher)، Nasrin Soltankhah (Second Researcher)، Hossein Abdollahzadeh Ahangar (Third Researcher)، Mustapha Chellali (Fourth Researcher)، D.A. Mojdeh (Fifth Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Not In First Six Researchers)، Valenzuela-Tripodoro Valenzuela-Tripodoro (Not In First Six Researchers)