Manal Abdullah Khoja <br/><br/>
The effect of noise pollution on voice /  
 تأثير التلوث الضوضائى على الصوت 
Manal Abdullah Khoja ; Supervised Mohammad Nasser Kotby , Hisham Mohammad Nigm , Hossam Ibrahim Dissouky 
 - Cairo :   Manal Abdullah Khoja ,   1998 
 - 129P. :   charts ;   25cm 
<br/><br/>Thesis(M.Sc.) - Cairo University - Faculty of Medicine - Department of E.N.T