Robert Celec - Contribution to the Solution of some Ecological Problems Under the Aspect of Sustainability

Robert Celec (Ed.) - Education and the Challenges of Modern Society

Ines Blažević / Mila Bulić / Jerneja Herzog (Eds.) - Research and Theoretical Approaches in Education

Jerneja Herzog (ed.) - Giftednes as an Educational and Scientific Challenge

Robert Celec (Ed.) - Nutrition, Physical Activity and Health in the Field of Education

Robert Celec (Ed.) - Contemporary Issues in Education 2021

Lulzim Dragidella - Das Bildungssystem im Kosovo

Robert Celec (Ed.) - Studies of Environmental Issues Through the Prism of Integration into the Wider Environment