Schrenk, M. Visual perception in science education and as field of research about constructivistic methods of teaching. София: 2007 412-418,.
Schrenk, M. Visual perception in science education and as field of research about constructivistic methods of teaching. София: 2007 412-418,.
Schrenk, M. (2007) Visual perception in science education and as field of research about constructivistic methods of teaching, София: 412-418,.
Schrenk, M. (2007). Visual perception in science education and as field of research about constructivistic methods of teaching. Приемственост и перспективи в развитието на педагогическата геория и практика. 125 години предучилищно образование в България (с. 412-418). София: (1).
Schrenk M. Visual perception in science education and as field of research about constructivistic methods of teaching. София: 2007. p. 412-418.
