28 - 5 "World's Largest Lesson" UNICEF. - ֳ , 2030 .

7-, 6-, 7-, 5- 2- , (Ͳ) - .

ϳ , , , 㳿, , , , .

    "World's Largest Lesson"  UNICEF

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"World's Largest Lesson"

    "World's Largest Lesson"  UNICEF

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