পরিবেশ শিক্ষা (Environment Studies)
দ্বাদশ শ্রেণির জন্য
সূচিপত্র (Index)
| S/L | বিষয় | আলোচ্য বিষয়বস্তু |
| 1 | BIODIVERSITY | |
| 2 | ENVIRONMENT MANAGEMENT | |
| 3 | SUSTAINABLE DEVELOPMENT | |
| 4 | SUSTAINABLE AGRICULTURE | |
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Class XII Environment Studies Reference
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