3rd 2021 4th International Joint Conference on Clean Energy and Smart Grid (CCESG 2021),Zahony, Hungary
3rd 2021 International Conference on Frontiers of Energy and Environment Engineering (CFEEE 2021),Zahony, Hungary
14th 2021 International Conference on Haptics and Virtual Reality (ICHVR 2021),Budapest, Hungary
14th 2021 European Conference on Computer Science and Information Technology (ECCSIT 2021),Budapest, Hungary
16th 4th ICSTR Budapest – International Conference on Science & Technology Research, 16-17 July 2021,Budapest, Hungary
