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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিIndia.Government of India. Proceeding of the IV World Forestry Congress, Dehradun: General and Special Papers. Delhi: Manager of Publication, Government of India, 1957.
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সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.