List of Articles Roman dominating function Open Access Article Abstract Page Full-Text 1 - Co-Roman domination in trees Rana Khoeilar Marzieh sorudi Open Access Article Abstract Page Full-Text 2 - Results on the maximal Roman domination number in graphs Maryam Kamalipashakolaee Hossein Abdollahzadeh Ahangar Mehran Motiee Seyed Mahmoud Sheikholeslami Open Access Article Abstract Page Full-Text 3 - A Characterization of Trees with Large Roman Domination Number حسین . Abdollahzadeh Ahangar مهلا . Khaibari N. Jafari Rad