يعرض 11 - 17 نتائج من 17 نتيجة بحث عن 'Department of Environment and Natural Resources. Environmental Management Bureau', وقت الاستعلام: 0.04s تنقيح النتائج
  1. 11

    Primer on the environment.

    منشور في 1990
    كتاب

    Primer on the environment.
  2. 12

    An Assessment of the status of Philippine seashell resources in relation to environmental management.

    منشور في 1984
    كتاب

    An Assessment of the status of Philippine seashell resources in relation to environmental management.
  3. 13

    A study on soil erosion susceptibility of Batangas, Cebu, and La Union.

    منشور في 1983
    كتاب

    A study on soil erosion susceptibility of Batangas, Cebu, and La Union.
  4. 14

    Uptake of air pollutants by Philippine plants.

    منشور في 1979
    كتاب

    Uptake of air pollutants by Philippine plants.
  5. 15

    Integration of soil conservation concepts in the school curriculum.

    منشور في 1978
    كتاب

    Integration of soil conservation concepts in the school curriculum.
  6. 16

    Ecological waste management (for schools)

    كتاب

    Ecological waste management (for schools)
  7. 17

    Ibig mo ba'y malinis na kapaligiran basura'y itapon sa wastong paraan.

    Visual Material

    Ibig mo ba'y malinis na kapaligiran basura'y itapon sa wastong paraan.

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