(原始内容存档于2009-07-01). Italy - Environment. Encyclopedia of the Nations. [2010-04-07]. (原始内容存档于2011-01-04). "Encyclopedia of the Nations" Anti-smog day | ITALY Magazine
Using a parity-sensitive sieve to count prime valuesof a polynomial. Proceedings of the National Academy of Sciences. 1997, 94 (4): 1054–1058 [2019-09-26]
Bangladesh politics committed to promoting secular and social democratic values associated with the nation’s foundational principles: nationalism, democracy