A System Approach to Environmental Education

by Z. Kostova
Published 2007-09-01

Motivating Students' Learning Using Word Association Test and Concept Maps

by Z. Kostova, B. Radoynovska
Published 2010-06-01

Comparative Assessment and Self-assessment of Students' Environmental Knowledge in Bulgaria and Turkey

by Z. Kostova, E. Atasoy
Published 2009-06-01

Word Association Test for Studying Conceptual Structures of Teachers and Students

by Z. Kostova, B. Radoynovska
Published 2008-12-01

Comparative Evaluation of the Environmental Culture of 8th Grade Students in Bulgaria and Turkey

by Z. Kostova, E. Atasoy
Published 2008-06-01

The Environmental Concern of Nine-Grade Students from a Secondary Professional School

by Z. Kostova, E. Vladimirova, B. Radoynovska
Published 2011-12-01

Using Interactive Case Studies to Support Students Understandings of Local Environmental Problems

by Z. Kostova, Z. Vakleva, E. Vladimirova, R. Kaleva
Published 2012-12-01