18th 2021 International Workshop on Renewable Energy (IWoRE 2021),Oslo County, Norway

18th 2021 International Conference on Frontiers of Chemical Materials and Process (CFCMP 2021),Kiberg, Norway

18th 2021 4th International Joint Conference on Metallurgical and Materials Engineering (JCMME 2021),Kiberg, Norway

26th 2021 International Joint Conference on Energy and Environmental Engineering (CoEEE 2021),Oslo County, Norway

26th 2021 International Conference on Green Building (ICoGB 2021),Oslo County, Norway

26th [Virtual] International Conference on Humanities, Social Sciences & Business Management,Oslo County, Norway