Szukana fraza: [Abstract = Vietnam is a tropical country, amount of rainfall is quite much, the network of rivers and lakes is high density. They make Vietnam become one of the countries that have large freshwater resources in Asian. However, freshwater quality in Vietnam is becoming worse, the pollution make the rivers and lakes become the problem that need to take care.]
Wyników: 1
CEER, nr 2 (2007)
Vinth, Tran Quoc Thoi, Nguyen Khac Bich Loc, Nguyen Thi Świtka, Romuald - red.
2007
artykuł
