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  1. 1

    Plant quarantine in the Philippines information and guidelines.

    Argitaratua 1994
    Liburua

    Plant quarantine in the Philippines information and guidelines.
  2. 2

    Plant quarantine and the international transfer of germplasm nork Plucknett, Donald L. 1931-

    Argitaratua 1988
    Liburua

    Plant quarantine and the international transfer of germplasm

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