Lal, Rattan2019-09-062019-09-062007Lal, Rattan. Soil Degradation and Environment Quality in South Asia / R. Lal. // International Journal of Ecology and Environmental Sciences. – 2007. – Vol. 33, Nr. 2-3. – P. 91-103.enAttribution-NonCommercial-NoDerivatives 4.0 InternationalSoluriMediu înconjurătorArticle