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ISSN: 1734-1515
Latest publisher: Sofia Pensoft Publishers 2021-
Country: Bulgaria
URL: www.aiep.pl
Status: Confirmed
Dates: 1972-9999
ISSN: 2603-431X
Publisher: Sofia Pensoft Publishers 2019-
Country: Bulgaria
URL: vdj.pensoft.net/
Status: Confirmed
Dates: 2019-9999