Title A Note on the Paired-Domination Subdivision Number of Trees Type of Research Article Keywords A Note on the Paired-Domination Subdivision Number of Trees Abstract A Note on the Paired-Domination Subdivision Number of Trees Researchers Xiaoli Qiang Xiaoli Qiang (First Researcher)، saeed kosari (Second Researcher)، Zehui Shao (Third Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Fourth Researcher)، Mustapha Chellali (Fifth Researcher)، hossein karami (Not In First Six Researchers)