Shrobon o bak protibondhi bishoyok maath totto sharoshirka 

 - Dhaka:  VHSS;  1997 
 - 47 P.:  ills., pictures;  24 cm  
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hearing and Speech Impairment <br/>Communication Techniques<br/>Rehabilitation and Support Services 
<br/><br/><label>Gov. Doc. Class. No.: </label>Be BAN/VHSS Sra