Islam, M. Nurul <br/><br/>
An introduction to research methods /   
M. Nurul  Islam 
 - 5th ed. 
 - Dhaka :  Mullick & Brothers,  2023. 
 - x, 511p. :   ill. ;   22 cm. 
<br/><br/>Includes bibliographies index<br/><br/> 
<br/><br/><label>ISBN: </label>9843000014223 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods
<br/><br/><label>Dewey Class. No.: </label>001.42 ISI