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  1. 1

    Pesticides, health risks and farm productivity a Philippine experience מאת Rola, Agnes Casiple

    יצא לאור 1989
    ספר

    Pesticides, health risks and farm productivity a Philippine experience
  2. 2

    Policy issues on rice crop protection מאת Bantilan, C.S

    יצא לאור 1985
    ספר

    Policy issues on rice crop protection
  3. 3

    Proceedings of the symposium [held on] January 22, 1981 at the Plant Pathology Auditorium, UPLB College, Laguna.

    יצא לאור 1981
    ספר

    Proceedings of the symposium [held on] January 22, 1981 at the Plant Pathology Auditorium, UPLB College, Laguna.

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