All presented papers of the CIEES 2021 conference have been published by:
CIEES 2021 Conference Proceeding: IOP Conference Series: Materials Science and Engineering – Vol.1216
CIEES 2021 Conference Proceeding: AIP Conference Proceedings, volume number 2570 and index by Scopus.
Feel free to contact us with your questions and recommendations for the CIEES'2025 Conference using the following:
E-mail: conference@ciees.eu
The 6th International Conference on Communications, Information, Electronic and Energy Systems
Ruse, Bulgaria
26th – 28th November, 2025