Begum, Najmir Nur <br/><br/>
Samayika gabeshana paricity / 
Najmir Nur Begum 
 - Dhaka :  Knowledge ,  1988 
 - 230p. :  ill. ;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reserch and development<br/>Research methods<br/>Social research
<br/><br/><label>Gov. Doc. Class. No.: </label>Be 007 BEG