URL: www.ifrj.upm.ed ... http://www.ifrj.upm.edu.my/
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q15762356
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/movjnq4wmvaxpkijzp7y7uqycm
URL: www.ifrj.upm.ed ... http://www.ifrj.upm.edu.my/
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q15762356
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/movjnq4wmvaxpkijzp7y7uqycm
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+%221985-4668%22
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%221985-4668%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%221985-4668%22
CROSSREF: search.crossref ... https://search.crossref.org/?q=+1985-4668