يعرض 1 - 6 نتائج من 6 نتيجة بحث عن '"Refuse and refuse disposal Study and teaching"', وقت الاستعلام: 0.02s تنقيح النتائج
  1. 1

    Solid waste management module for schools

    منشور في 2006
    كتاب

    Solid waste management module for schools
  2. 2

    Understanding garbage and our environment حسب Nolan, Andrea J.

    منشور في 1999
    كتاب

    Understanding garbage and our environment
  3. 3

    Waste management now a must subject حسب Principe, Lulu R.

    الحاوية / القاعدة Manila Bulletin (1997)
    مقال

    Waste management now a must subject
  4. 4

    Garbage education a public priority حسب Lansang, Fern Z.

    الحاوية / القاعدة Manila Bulletin (1997)
    مقال

    Garbage education a public priority
  5. 5

    Suggested high school science activities on industrial pollution and its control حسب Morales, Manolita Bacolod 1951-

    منشور في 1978
    أطروحة

    Suggested high school science activities on industrial pollution and its control
  6. 6

    Ecological waste management (for schools)

    كتاب

    Ecological waste management (for schools)

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