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  1. 1

    Evaluation and correlation on selected phosphorus soil test methods for paddy soils Tekijä Samonte, Henry Peralta 1939-

    Julkaistu 1965
    Opinnäyte

    Evaluation and correlation on selected phosphorus soil test methods for paddy soils
  2. 2

    A study on phosphorous loads in municipal wastewater attributed to detergents and their persistence in selected Metro Manila rivers Tekijä Roman, Adelaida B.

    Kirja

    A study on phosphorous loads in municipal wastewater attributed to detergents and their persistence in selected Metro Manila rivers

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