Usman Safder⁺, Pouya Ifaei⁺, ChangKyoo Yoo*, Multi-scale smart management of integrated energy systems, Part 1: Energy, economic, environmental, exergy, risk (4ER) and water-exergy nexus analyses, Energy Conversion and Management (ISSN: 0196-8904, SCIE, IF=5.58, Top 3% journal – THERMODYNAMICS: Rank 2 journal), Elsevier, 197(10), pp. 111851(1-21) DOI(https://doi.org/10.1016/j.enconman.2019.111851) (2019.10) (Ack:2017R1E1A1A03070713 & Climate Change Graduate School)​