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Wikipedia: nl.wikipedia.or ... https://nl.wikipedia.org/wiki/Electronic_Commerce_Research_and_Applications
SUDOC: www.sudoc.fr/07 ... http://www.sudoc.fr/073866032
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q2047821
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Pubmed: pubmed.ncbi.nlm ... https://pubmed.ncbi.nlm.nih.gov/?term=%221567-4223%22%5BJournal%5D&sort=
