For publisher-level administrative, publication ethics and general inquiries, please use the appropriate contact address below.

Manuscripts, revisions and supplementary files must be submitted through the online submission system of the relevant journal and should not be sent by e-mail.

Publisher Contact

Tulpar Academic Publishing
Erzurum, Türkiye
General inquiries: info@tulparpublishing.com

Publisher Executive

Prof. Dr. Fatih Mehmet ÖZKAL
Publisher Executive
Tulpar Academic Publishing
E-mail: fmozkal@tulparpublishing.com

Journal Editorial Offices

Challenge Journal of Structural Mechanics
Editorial inquiries: cjsmec@challengejournal.com
Journal contact page

Challenge Journal of Concrete Research Letters
Editorial inquiries: cjcrl@challengejournal.com
Journal contact page

Challenge Journal of Perioperative Medicine
Editorial inquiries: cjpm@challengejournal.com
Journal contact page

Technical Support

For account access, submission-system or website-related technical problems:
support@challengejournal.com

Publication Ethics Concerns

Concerns relating to published or submitted content should include the journal name, manuscript or article title, submission ID or DOI where available, and a clear description of the concern.

Please consult the Publication Ethics and Research Integrity Policy before contacting the Publisher.