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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিsaid, Aziz I. The Third Annual Conference on Crises & Disasters Management: International Problems of Population and Future Trends for Environmental Management. القاهرة: جامعة عين شمس, 1998.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিsaid, Aziz I. The Third Annual Conference on Crises & Disasters Management: International Problems of Population and Future Trends for Environmental Management. جامعة عين شمس, 1998.
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