Comparative study of land use pattern in two river basins of western ghats-Kerala ( Mangalam puzha, Gayatri puzha, Aralam puzha Bavali puzha)

od Ramachandran, K K, Salim, M B, Srikumar, Chattopadhyay
Wydane 1987

Developing procedures for assessment of ecological status of Indian river basins in the context of environmental water requirements, Research report

od Smakhtin, Vladimir, Unni, Sankaran K
Wydane 2007