Study on the Declining trend of Biodiversity and Fish Production in the Lower Reaches of Periyar River and its socio-economic development

od Joseph, M.L

Eco-Biology of Sasthamcotta Lake

od Joseph, M L
Izdano 1994

Eco-biology of Sasthamcotta lake /

od Joseph, M. L.

Pollution stress responses in fishes of Periyar river at Ernakulam district in the field and experimental conditions/

od Asha Raj K R, Researcher, Joseph, M L Guide
Izdano 2016