Before you is one more issue of the e-Zbornik this time along with an English version as well.
Just like the one before, you can find this issue in the EBSCO Academic Search, in the database of the Engineering Source following this link: https://www.ebscohost.com/academic/engineering-source.
Since the last issue you can also find us in the portal of scientific journals of the Republic of Croatia, HRČAK at the following link: https://hrcak.srce.hr/.
We would like to thank everyone who contributed in the creation of this issue.
We are looking forward to future collaboration.
Ivana Domljan, editor of the 15th issue