The Variations of judicial enforcement of EU Charter of fundamental rightsvis-á-vis union institutions and bodiesHamulak, OndrejEuropean studies : the review of European law, economics and politics2018 / p. 98–112 http://caes.upol.cz/wp-content/uploads/2019/08/FULL-VOLUME-European-Studies-2018-final.pdf Theoretical and practical problems related to the audit, control and supervision system of local governments. (Based on the case of the Estonia)Linnas, RaivoKunnallistieteellinen aikauskirja2007 / s. 282-294