The Educational Conception for "Lifelong Learning" in Bulgaria Autori: Angel Anchev, Albena Tsoneva, Dragomir Vassilev, Pencho Stoychev, Grigor Boyadjiyski Izdanje: Naučna konferencija Uniteh 2010 Oblast: Educational Technologies
Education in Chemistry in the Context of Lifelong Learning Autori: Angel Anchev, Albena Tsoneva, Dragomir Vassilev, Pencho Stoychev, Grigor Boyadjiyski Izdanje: Naučna konferencija Uniteh 2010 Oblast: Educational Technologies