Таны хайлт доторх Санал болгосон сэдвүүд.
Таны хайлт доторх Санал болгосон сэдвүүд.
Climatic changes
2
Economic conditions
1
Effect of human beings on
1
Environmental aspects
1
Equality
1
Feminism
1
Geochemistry
1
Global warming
1
Government policy
1
Greenhouse gases
1
Habitable planets
1
History
1
International cooperation
1
International trade
1
Natural resources
1
Nature
1
Origin
1
Social conditions
1
Women
1
Тэжээл , бэлчээр судлал
1
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601
-
602
-
603
-
604
-
605
-
606
-
607
-
608
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609
-
610
-
611
-
612
-
613
-
614
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615
-
616
-
617
-
618
-
619
-
620