1. Sources

Aida Karina Estrada Abril de Jaén (born 1986) is a Guatemalan beauty pageant winner.

Estrada was Miss Teen Guatemala in 2004, Miss Guatemala Universe in 2005 and International Coffee Queen in 2006 and was contestant in the Miss Universe, too, in 2006.

She married Juan Pablo Toledo in 2009.

And then and late she married Leonardo Jaén in 2013.

Sources

• Girls from Guatemala entry{{Dead link|date=October 2018 |bot=InternetArchiveBot |fix-attempted=yes }}
• [https://translate.google.com/translate?hl=en&sl=es&u=http://bellezasdeguate.com/2010/01/02/miss-guatemala-universo-2005-se-caso/&prev=/search%3Fq%3DAida%2BKarina%2BEstrada%26hl%3Den%26biw%3D1024%26bih%3D646%26prmd%3Dimvnso&sa=X&ei=AfA8UJrxI-bj0QGJxoGIBQ&ved=0CEQQ7gEwCA article on Estrada's marriage]

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• Nitrogenase
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• Nitrogen Cycle
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• Nitrogen gas
• Nitrogen Group
• Nitrogen Group Element
• Nitrogen(III) chloride
• Nitrogen inversion
• Nitrogen iodide