Veebel, V., L. Kulu, and U. Hurt. “Methodological Challenges and Choices When Identifying EU Related Training Needs of Estonian Public Service”. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education, vol. 3, no. 1, Apr. 2015, pp. 103-26, doi:10.12697/eha.2015.3.1.05.