Zaręba, Mateusz http://orcid.org/0000-0002-9663-6593
Danek, Tomasz
Article History
Received: 12 May 2018
Accepted: 6 September 2018
First Online: 14 September 2018
Change Date: 5 March 2019
Change Type: Correction
Change Date: 5 March 2019
Change Type: Correction
Change Type: Correction
Change Type: Correction
Change Details: In the paper, the authors used data acting on the base of public procurement ZDN/014/140/2016 and related permission.
Change Details: In the paper, the authors used data acting on the base of public procurement ZDN/014/140/2016 and related permission.
Change Date: 5 March 2019
Change Details: In the paper, the authors used data acting on the base of public procurement ZDN/014/140/2016 and related permission.
Change Details: In the paper, the authors used data acting on the base of public procurement ZDN/014/140/2016 and related permission.
Change Date: 5 March 2019