إدريس, Ø., 		عبد الرحمن, Ø., & 		شكرت الله, Ø.
(2010).
 Factors Influencing the Choice of the Mean of Promotional Advertizing.
<em>Gezira Journal Of Economic And Social Sciences, 1</em>(2).
Retrieved from <a href="http://journals.uofg.edu.sd/index.php/gjess/article/view/218" target="_new">http://journals.uofg.edu.sd/index.php/gjess/article/view/218</a>