Schrenk, M. Dangerous and harmless athropods - which species are frightening primary school pupils. София: 2007 419-424,.
Schrenk, M. Dangerous and harmless athropods - which species are frightening primary school pupils. София: 2007 419-424,.
Schrenk, M. (2007) Dangerous and harmless athropods - which species are frightening primary school pupils, София: 419-424,.
Schrenk, M. (2007). Dangerous and harmless athropods - which species are frightening primary school pupils. Приемственост и перспективи в развитието на педагогическата геория и практика. 125 години предучилищно образование в България (с. 419-424). София: (1).
Schrenk M. Dangerous and harmless athropods - which species are frightening primary school pupils. София: 2007. p. 419-424.
