Espina, Z. E. (2024). Rotary International marks significant achievement in fight to eradicate polio. Manila Bulletin.
Chicago-viite (17. p.)Espina, Zekinah Elize. "Rotary International Marks Significant Achievement in Fight to Eradicate Polio." Manila Bulletin 2024.
MLA-viite (9. p.)Espina, Zekinah Elize. "Rotary International Marks Significant Achievement in Fight to Eradicate Polio." Manila Bulletin, 2024.
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