Ismāʻīl, Maḥmūd Ḥasan,  al-Duktūr, <br/><br/>
Mahārāt al-ittiṣāl / 
al-Duktūr Maḥmūd Ḥasan Ismāʻīl. 
 - al-Ṭabʻah al-ūlá. 
 - 1 online resource :  illustrations. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>P90 
<br/><br/><label>Dewey Class. No.: </label>302.23