Author | NULL |
Title | Общоградски урок по екология |
Subtitle Data | |
Physical media | І, № 31, 12 септ. 1990, с. 1. |
Place of publishing | Организационният комитет на русенските учители и КС на Съюза на българските учители обявяват на 17 септ. 1990 г. урок по екология |
Publisher Name | УТРО |
Year of issue | |
Capital Letter | |
Systematic-alphabetic signature | 500889 |
Temporary collective author | |
Venue of the event | |
Date of the conference, seminar, etc. | |
A form of digitalisation | Scan |
Note |
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