Supplementary teaching materials on pollution for use in high school science classes
Supplementary teaching materials on pollution for use in high school science classes were developed in this study.The paper aimed to present basic information on air, water, and land, suggested activities which science teachers can utilize in their classes, and lastly, gave recommendations to the...
| المؤلف الرئيسي: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
[Quezon City
s.n.]
1973.
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| الموضوعات: |