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[ñáîðíèê]
Sustainable extraction and processing of raw materials
ÐÀ6798
Univ. of Mining and Geology "`St. Ivan Rilski`
Sofia
30 ñì
2020-
ãîäèøíèê
ISSN:
2738-7100
622
WEB:
http:// www.mgu.bg%www.seprm.bg
Ìèííî äåëî
Older Receipts (by Years):
2021; 2020
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