Hussein Abdel Hamid Abdallah EL-Saadi <br/><br/>
INTEGRATING THE INTERNET TRANSPERANTLY WITH IN THE PSTN USING VOIP METHODS (NET 2 PHONE) / GP / Dr.Ahmed Farouk EL Sadek  

 -  MSA,   [2007] 
 - PAG 
<br/><br/><label>ISBN: </label>1254125451x