%0 Journal Article %A Mohammadesmaeil, Sedigheh, pahlevanzadeh, mostafa %T The effect of Six Sigma process management on improving the quality of information therapy services and reducing treatment costs (Case study: one of the non-governmental hospitals located in Tehran) %J Journal of healthcare management %V 11 %N 2 %P 71-82 %D 2020 %R %U https://sanad.iau.ir/fa/Article/806444