Magpantay, C. Highly active absorbent for SO2 removal prepared from coal ash (Part 2). Philippine Engineering Journal.
Lua i Stíl Chicago (17ú heag.)Magpantay, C.G. "Highly Active Absorbent for SO2 Removal Prepared from Coal Ash (Part 2)." Philippine Engineering Journal .
Lua MLA (9ú heag.)Magpantay, C.G. "Highly Active Absorbent for SO2 Removal Prepared from Coal Ash (Part 2)." Philippine Engineering Journal, .
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