URL: ps.pu.if.ua/http://ps.pu.if.ua/
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q96730534
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/dxxx2a66jffwnbrgwumct4xm7u
URL: ps.pu.if.ua/http://ps.pu.if.ua/
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q96730534
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/dxxx2a66jffwnbrgwumct4xm7u
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+%222413-7863%22
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%222413-7863%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%222413-7863%22
CROSSREF: search.crossref ... https://search.crossref.org/?q=+2413-7863