Таны хайлт доторх Санал болгосон сэдвүүд.
Таны хайлт доторх Санал болгосон сэдвүүд.
Environmental aspects
5
History
5
Environmental protection
3
Mines and mineral resources
3
Natural resources
3
Ecology
2
Geology
2
Hydrology
2
Kings and rulers
2
Manufacturing industries
2
Nature
2
Natuurbehoud
2
Queens
2
ASPECTOS RELIGIOSOS
1
Air
1
Altruism
1
Altruismus
1
Aromatic plants
1
Aspect religieux
1
Bioorganic Chemistry, Chemistry of Natural Products and Physilogical Active Compounds
1
Bioorganic chemistry and chemistry of natural and physiological active compounds
1
Bioorganic chemistry, Chemistry of natural products
1
Botanical drug industry
1
Children and the environment
1
City planning
1
Civil rights
1
Climatic changes
1
Congresses
1
Conservation of natural resources
1
DETERIORO AMBIENTAL
1
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225Хэвлэсэн 1990Нөхцлүүд: “…Natural sciences…”
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226
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227Хэвлэсэн 1992“…Natural history collections…”
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228Хэвлэсэн 1992“…Natural history collections…”
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229Хэвлэсэн 1992“…Natural history collections…”
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232
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234
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235Хэвлэсэн 2005Нөхцлүүд: “…natural sciences environment…”
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236Хэвлэсэн 1992Нөхцлүүд: “…natural sciences environment…”
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237Хэвлэсэн 2002Нөхцлүүд: “…Natural sciences Environment…”
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238Хэвлэсэн 2001Нөхцлүүд: “…natural sciences environment…”
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239Хэвлэсэн 2001Нөхцлүүд: “…natural sciences environnement…”
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240Хэвлэсэн 2003Нөхцлүүд: “…natural sciences environment…”
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