Retraction Policy

OKTAHEDRAL is committed to maintaining the integrity of the academic record. Retraction of articles may occur when serious issues are identified after publication, including ethical violations, academic misconduct, or errors that invalidate the findings.

Reasons for Retraction

Articles may be retracted for the following reasons:

• Evidence of plagiarism
• Data fabrication or falsification
• Duplicate or redundant publication
• Undisclosed conflicts of interest
• Ethical violations, such as research without proper approval
• Major errors in methodology or analysis that affect the reliability of results

The mechanism of retraction follow the Retraction Guidelines of Committee on Publication Ethics (COPE). To report concerns about a published article, please contact the editorial team at prodikimia@umrah.ac.id.