https://www.orlen.pl/en/about-the-company/media/press-releases/archive/2005/September-2005/Zorlu-Group-and-PKN-ORLEN-form-consortium-to-bid-for-Tupras
Zorlu Group and PKN ORLEN form consortium to bid for Tupras
The Zorlu Group and PKN ORLEN have Formed a Consortium for Tupras.
zorlu grouppkn orlen