%0 Journal Article %T Theoretical and practical aspects of the implementation of the principles of closed-cycle economics %A Titov, V.A. %A Morozov, O.L. %K economic model, resource theory, secondary material reĀ­sources, economic, social, environmental analysis, involvement of producĀ­tion and consumption waste in recycling %J The Economy under Guard %D 2019 %N 2019 %P 6 %I Nizhny Novgorod Academy of the Ministry of the Interior of Russia