Retraction and/or Corrections Policy

Authors are discouraged from withdrawing submitted manuscripts after it is in the publication process (review, copyedit, layout, etc.). Jurnal Teknik Kimia USU's editors shall consider retracting a publication if:

• They have clear evidence that the findings are unreliable, either as a result of misconduct (e.g. data fabrication) or honest error (e.g. miscalculation or experimental error)
• The findings have previously been published elsewhere without proper crossreferencing, permission, or justification (i.e. cases of redundant publication)
• It constitutes plagiarism
• It reports unethical research  

Jurnal Teknik Kimia USU's editors shall consider issuing an expression of concern if:

• They receive inconclusive evidence of research or publication misconduct by the authors
• There is evidence that the findings are unreliable but the authors’ institution will not investigate the case
• They believe that an investigation into alleged misconduct related to the publication either has not been or would not be, fair and impartial or conclusive
• An investigation is underway but a judgment will not be available for a considerable time

Jurnal Teknik Kimia USU's editors shall consider issuing a correction if:

• A small portion of an otherwise reliable publication proves to be misleading (especially because of honest error)

The author/contributor list is incorrect (i.e. a deserving author has been omitted or somebody who does not meet authorship criteria has been included)