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Experts say OK to ask for proof of vaccine, if done right
Publication year - 2021
Publication title -
nonprofit business advisor
Language(s) - English
Resource type - Journals
eISSN - 1949-3193
pISSN - 1531-5428
DOI - 10.1002/nba.31032
Subject(s) - ask price , burden of proof , mathematics , computer science , law , political science , business , finance