Retraction notice: Improved black widow-bear smell search algorithm (IBWBSA) for optimal planning and operation of distributed generators in distribution system

The publisher of the Journal of Engineering, Design and Technology wishes to retract the following article by Sathish K. R. and T. Ananthapadmanabha (2021), “Improved black widow-bear smell search algorithm (IBWBSA) for optimal planning and operation of distributed generators in distribution system”, published in the Journal of Engineering, Design and Technology, Vol. ahead-of-print, No. ahead-of-print, Link to the cited article.. It has come to our attention that there are concerns regarding the authorship of the article and the standard does not meet that expected by the journal; as such the findings cannot be relied upon. Despite numerous attempts to contact the authors, the journal has received no response; the response of the authors would be gratefully received. The publisher of the journal sincerely apologises to the readers.