The provided document is an assignment that delves into the realm of operation management. It appears to be a study or research on the effects of active network management within operational systems. The references cited include various books, journals, and online sources that discuss aspects of operation management, such as facility management strategies, wastewater treatment plant design, and modeling management rules in river system models. The assignment likely aims to analyze or evaluate the impact of active network management on operations, possibly within a specific context like Tabriz distribution systems or microgrids.