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  1. 1

    Enchanting adventure in Agusan Marsh by Tupas, Jeffrey

    Published in Philippine Daily Inquirer (2010)
    Article

    Enchanting adventure in Agusan Marsh
  2. 2

    Agusan River estuary development potential by Alcala, Angel

    Published in Malaya (2008)
    Article

    Agusan River estuary development potential
  3. 3

    Toxic mercury pollutes Agusan River by Fernandez, Rudy A.

    Published in Philippine Star (2004)
    Article

    Toxic mercury pollutes Agusan River

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