Title TOTAL ROMAN DOMINATION AND 2-INDEPENDENCE IN TREES Type of Research Article Keywords TOTAL ROMAN DOMINATION AND 2-INDEPENDENCE IN TREES Abstract TOTAL ROMAN DOMINATION AND 2-INDEPENDENCE IN TREES Researchers Hossein Abdollahzadeh Ahangar (First Researcher)، (Second Researcher)، jafar amjadi (Third Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Fourth Researcher)