Carpio, A. A. (2008). UP researcher taps feathers, lahar for insect-resistant homes. Philippine Graphic.
Lua i Stíl Chicago (17ú heag.)Carpio, Alma Anonas. "UP Researcher Taps Feathers, Lahar for Insect-resistant Homes." Philippine Graphic 2008.
Lua MLA (9ú heag.)Carpio, Alma Anonas. "UP Researcher Taps Feathers, Lahar for Insect-resistant Homes." Philippine Graphic, 2008.
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