ISSN: 2310-8290
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378.016:5 (1) |
didactic principles (1) |
ecological competency (1) |
educational process (1) |
environmental education and upbringing (1) |
institution of higher pedagogical education (1) |
special principles (1) |
specific principles (1) |
teacher of natural sciences (1) |
дидактичні принципи (1) |
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