International of Conference of Water Resources Development and Environmental Protection
https://icwrdep.ub.ac.id/
The International Conference on Mechanical Engineering Research and Application
http://icomera.teknik.ub.ac.id
International Conference Planning In The Era of Uncertainty
https://icpeu.weebly.com/
International Conference on Engineering and Management in Industrial System
icoemis.ub.ac.id
Electrical Power, Electronics, Controls, Communications, and Informatics Seminar
http://eeccis.ub.ac.id/2020