Villanueva, M. A. (2021). Must we wait for vaccines?. IN Commonsense [column]. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Villanueva, Marichu A. "Must We Wait for Vaccines?. IN Commonsense [column]." Philippine Star 2021.
Lua MLA (9ú heag.)Villanueva, Marichu A. "Must We Wait for Vaccines?. IN Commonsense [column]." Philippine Star, 2021.
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