Ahmed, A., & 		Hamid, M.
(2016).
 Estimation of Life Expectancy at Birth using Brass two Parameters Logit System from Sudan Census (2008).
<em>Gezira Journal Of Economic And Social Sciences, 7</em>(1).
Retrieved from <a href="http://journals.uofg.edu.sd/index.php/gjess/article/view/327" target="_new">http://journals.uofg.edu.sd/index.php/gjess/article/view/327</a>