Wikipedia: hu.wikipedia.or ... https://hu.wikipedia.org/wiki/P%C3%A9nz%C3%BCgyi_Szemle
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038770040
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q72840536
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/lyncwpxzyretveotivxsamcyvi
Wikipedia: hu.wikipedia.or ... https://hu.wikipedia.org/wiki/P%C3%A9nz%C3%BCgyi_Szemle
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038770040
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q72840536
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/lyncwpxzyretveotivxsamcyvi
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+%220031-496X%22
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220031-496X%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220031-496X%22
CROSSREF: search.crossref ... https://search.crossref.org/?q=+0031-496X
