Bangladesh. Parisaṃkhyāna Byuro. (1991). Statistical pocket book of Bangladesh 1991: Bāṃlādeśa parisaṃkhyāna pakeṭa bai. Bangladesh Bureau of Statistics, Statistics Division, Ministry of Planning.
Lua i Stíl Chicago (17ú heag.)Bangladesh. Parisaṃkhyāna Byuro. Statistical Pocket Book of Bangladesh 1991: Bāṃlādeśa Parisaṃkhyāna Pakeṭa Bai. Dhaka: Bangladesh Bureau of Statistics, Statistics Division, Ministry of Planning, 1991.
Lua MLA (8ú heag.)Bangladesh. Parisaṃkhyāna Byuro. Statistical Pocket Book of Bangladesh 1991: Bāṃlādeśa Parisaṃkhyāna Pakeṭa Bai. Bangladesh Bureau of Statistics, Statistics Division, Ministry of Planning, 1991.
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