Salem, A. A. Et Al. 2011. New spectrophotometric method for determining nitrogen dioxide in air using 2,2-azino-bis(3-ethyl benzothiazoline)-6-Sulfonic acid-diammonium salt and passive sampling. Analytical Chemistry Insights , vol.6, no.1 , 37-44.

Salem, A. A., Soliman, A. A., & ELHATY, I. A. M., (2011). New spectrophotometric method for determining nitrogen dioxide in air using 2,2-azino-bis(3-ethyl benzothiazoline)-6-Sulfonic acid-diammonium salt and passive sampling. Analytical Chemistry Insights , vol.6, no.1, 37-44.

Salem, Alaa, Ahmed A. Soliman, And ISMAIL A. M. ELHATY. "New spectrophotometric method for determining nitrogen dioxide in air using 2,2-azino-bis(3-ethyl benzothiazoline)-6-Sulfonic acid-diammonium salt and passive sampling," Analytical Chemistry Insights , vol.6, no.1, 37-44, 2011

Salem, Alaa A. Et Al. "New spectrophotometric method for determining nitrogen dioxide in air using 2,2-azino-bis(3-ethyl benzothiazoline)-6-Sulfonic acid-diammonium salt and passive sampling." Analytical Chemistry Insights , vol.6, no.1, pp.37-44, 2011

Salem, A. A. Soliman, A. A. And ELHATY, I. A. M. (2011) . "New spectrophotometric method for determining nitrogen dioxide in air using 2,2-azino-bis(3-ethyl benzothiazoline)-6-Sulfonic acid-diammonium salt and passive sampling." Analytical Chemistry Insights , vol.6, no.1, pp.37-44.

@article{article, author={Alaa A. Salem Et Al. }, title={New spectrophotometric method for determining nitrogen dioxide in air using 2,2-azino-bis(3-ethyl benzothiazoline)-6-Sulfonic acid-diammonium salt and passive sampling}, journal={Analytical Chemistry Insights}, year=2011, pages={37-44} }