Bibliography of Bhattacharya, K.
- Flower visiting flies of Kolkata and surroundings (Diptera : Insecta)
Handbook and Pictorial Guides | pp 1 - 56
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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