International scientific herald : problems of formation of qualification systems and modern tendencies of developing professional competence of specialists: national and European measurement : collection of scientific articles on the materials of the 17th international scientific-practical conference : november 18-21, 2008 Uzhhorod (Ukraine) - Snina (Slovakia). Pp. 218-224 online. - Užhorod : Lira, 2009 / Varcholová Tatiana ; Problems of formation of qualification systems and modern tendencies of developing proffesional competence of specialists: national and european measurement International scientific conference. ISBN 978-966-2075-02-1