April 3, 2017April 3, 2017Milena Nalbancheva 12th National Conference of the Bulgarian energy agencies and centers – 06.12.2016
June 28, 2016June 28, 2016Milena Nalbancheva National forum “Supporters for Green public procurement”, 21.06.2016, Sofia
June 9, 2016June 9, 2016Milena Nalbancheva Maribor partner meeting and International round table – 24-25 November 2015