%0 Journal Article %A sharifzadegan, ، mohammd, Pourghader Chobar, Adel %T Mathematical modeling and problem solving Integrated production planning and preventive maintenance with limited human resources %J Journal of New Researches in Mathematics %V 8 %N 5 %P 5-24 %D 2022 %R %U https://sanad.iau.ir/fa/Article/798508