Sivakumar, M. V. K., & Ndiangui, N. (2007). Climate and Land Degradation. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-72438-4

Sivakumar, Mannava V. K., and Ndegwa Ndiangui. Climate and Land Degradation. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-72438-4.

Sivakumar, Mannava V. K., and Ndegwa Ndiangui. Climate and Land Degradation. Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-72438-4.