Publication:After a careful reviewing process, all accepted papers after proper registration and presentation, will be published in the Conference Proceedings by IOP, and sent to be indexed by *Ei Compendex* and *Scopus*. ICCEA 2019 accepted papers have been published into IOP Conference Series: Journal of Physics: Conference Series (Online ISSN: 1742-6596; Print ISSN: 1742-6588) and will be indexed by EI Compendex, Scopus, Thomson Reuters (WoS), Inspec index, et al, soon. == Submission Methods:Full Paper (publication and oral presentation)Abstract (oral presentation only)Electronic Submission System (.pdf) http://confsys.iconf.org/submission/iccea2020