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Lua i Stíl Chicago (17ú heag.)Colmenares, Pinky Concha. "Operation Smile: Changing the Misfortune of Deformity." Manila Bulletin 1997.
Lua MLA (9ú heag.)Colmenares, Pinky Concha. "Operation Smile: Changing the Misfortune of Deformity." Manila Bulletin, 1997.
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