King-Bhumibol-World-Soil-Day-Award-WSDA-jointly-offered-by-the-Royal-Thai-Governmen
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সর্ব-শেষ হাল-নাগাদ: ২৪ August ২০২২
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King Bhumibol World Soil Day Award (WSDA) jointly offered by the Royal Thai Government and FAO.

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