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1
Healing heritage. IN Visita Iglesia [column] St. Raphael the Archangel Parish in Calaca
Τόπος έκδοσης BluPrint (2014)Άρθρο -
2
Engineering properties of Calaca Batangas bottom ash
Τόπος έκδοσης Philippine Engineering Journal (2007)Άρθρο -
3
Highly active absorbent for SO₂ removal prepared from coal ash (part 1)
Τόπος έκδοσης Philippine Engineering Journal (1998)Άρθρο -
4
Highly active absorbent for so₂ removal prepared from coal ash (part 2)
Τόπος έκδοσης Philippine Engineering Journal (1998)Άρθρο