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1
1
1
Serial [ñáîðíèê]
Íàöèîíàëíà ó÷èëèùíà êîíôåðåíöèÿ `Ñïîäåëåíè ïåäàãîãè÷åñêè ïðàêòèêè â ïðåïîäàâàíåòî íà ïðèðîäíè íàóêè`
51 ñðåäíî ó-ùå Åëèñàâåòà Áàãðÿíà
Ñîôèÿ
2019-
ãîäèøíèê
ISSN:
2683-0744
Ïðèðîäíè íàóêè
Latest Receipts:
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Receipts
2019
1
2019
1-1
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