History, issue 3/2012, Volume 20

СЪДЪРЖАНИЕ / CONTENTS ЦИВИЛИЗАЦИОННИ ГРАНИЦИ / CIVILIZATION BOUNDARIES Развитие на римския лимес в Северна Британия и по Долен Дунав от ...

Chemistry, Number 3/2012, Volume 21

Education: Theory & PracticeCognitive-and-Educational Assignments for Forming and Developing Modeling Competence in Chemistry and Environment Education Резюме. Educational-and-cognitive assignments are ...

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