Title Mixed domination and 2-independence in trees Type of Research Article Keywords Mixed domination and 2-independence in trees Abstract Mixed domination and 2-independence in trees Researchers Guoqiang Wang (First Researcher)، Zehui Shao (Second Researcher)، N dehgardi (Third Researcher)، Rana Khoeilar (Fourth Researcher)، (Fifth Researcher)، Asfand Fahad (Not In First Six Researchers)