भारत सरकार
पर्यावरण, वन और जलवायु परिवर्तन मंत्रालय
Government of India
Ministry of Environment, Forest and
Climate Change

भारतीय प्राणी सर्वेक्षण

Zoological Survey of India

Pictorial Guide to the Amphibians of North East India
Mathew, Roshamma  and  Sen, N.
pp 1 - 144 | January 2010
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