فهرس المقالات یعقوب انصاری المقاله 1 - Identifying Factors Affecting Energy Waste in the Production Industry and Providing a Suitable Model for Energy Efficiency and Development of Renewable Energy in the Production Sector Aman allah Rahpeyma Mohammad Bahrami seifabad Yaghoub Ansari Roohalah Negahdari Nia Journal of System Management , العدد 42 , السنة 11 , بهار 2025