Purpose

OAJEA is committed to preserving the integrity of the scholarly record. Crossmark signals updates to published content and provides transparent links between an article and any subsequent corrections or new versions.

Scope

This policy applies to all content published by OAJEA available on oajea.hafizlab.com, including articles, corrections, retractions, addenda, and updated versions.

Types of Updates

• Correction (Erratum / Corrigendum) — Minor errors such as author name, affiliations, or data labeling.
• Retraction — Major errors or ethical issues requiring withdrawal; reasons are clearly explained.
• Addendum — Additional information or clarifications supplementing the original article.
• Version Update — Substantially revised versions of an article; linked to the original.
• Withdrawal — Articles removed prior to formal issue inclusion; clearly marked.

Contact

For questions about this policy or article updates, contact the editorial office:

• Email: editor_oajea@hafizlab.com
• Mailing address: Open Access Journal on Engineering Applications (OAJEA), HafizLab