https://reers.ba/wp-content/uploads/2019/06/Rjesenje_sertifikat_MHE_Zira...https://reers.ba/wp-content/uploads/2019/06/Rjesenje-o-izdavanju-sertifi...https://koncesije-rs.org/wp-content/uploads/2019/10/Izvjestaj_tabele_201...