Identifiers
Links

Google: www.google.com/ ... https://www.google.com/search?q=ISSN+""

Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%22%22

Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%22%22

CROSSREF: search.crossref ... https://search.crossref.org/?q=+

Pubmed: pubmed.ncbi.nlm ... https://pubmed.ncbi.nlm.nih.gov/?term=%22%22%5BJournal%5D&sort=

.........