Science and technology in school curricula case study 3 : German Democratic Republic mathematics, science and polytechnical intruction in the ten-year polytechnical secondary schools
| अन्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Paris
Unesco Division of Science Technical and Environmental Education
c1988
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| विषय: |