Bid Notices No. 001_2016-2017 (click on the references to download the documents)
Bid Notices No. 002/2016 and 002N/ 2016 (click on the references to download the documents)
Bid Notices No. 001_2015-2016 (click on the references to download the documents)
Bid Notices No. 003/2015 (click on the references to download the documents)
Bid Notices No. 002/2015 (click on the references to download the documents) 
Bid Notices No. 001/2014-2015 and 001N/2014-2015 (click on the references to download the documents)