Chavez, C. A. (2021). Why the vaccination target was not reached. Manila Bulletin.
Chicago-viite (17. p.)Chavez, Chito A. "Why the Vaccination Target Was Not Reached." Manila Bulletin 2021.
MLA-viite (9. p.)Chavez, Chito A. "Why the Vaccination Target Was Not Reached." Manila Bulletin, 2021.
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