•2014: Petar-Emil Mitev and Siyka Kovacheva 2014 Young People in European Bulgaria. A Sociological Portrait . Sofia: Freidrich Ebert Foundation.
2012: Carmen Leccardi, Carles Feixa, Siyka Kovacheva, Herwig Reiter, Tatjana Sekulić (eds) 1989 – Young people and social change after the fall of the Berlin Wall. Strasbourg: Council of Europe
• 1998-1999 Youth Participation in Central and Eastern Europe, Youth Directorate, The Council of Europe
Petar-Emil Mitev and Siyka Kovacheva 2014 Young People in European Bulgaria. A Sociological Portrait 2014. Sofia: Freidrich Ebert Foundation.
PhD in sociology from the University of Sofia, is a senior researcher at the New Europe Centre Plovdiv, Associate Professor in Sociology and Social Policy and Vice-Dean of the Faculty of Philosophy and History at the University of Plovdiv, Bulgaria.
Her areas of expertise are youth participation in the social transformation of Bulgarian society, changes in youth transitions and family life, and youth policy. She is a member of the Pool of European youth researchers of the Partnership between the European Union and the Council of Europe in the field of youth.