An Introduction to RESEARCH METHODS 
M.Nurul Islam 
 - 5 th ed. 
 - Dhaka:  Mullick & Brothers  2023 
 - 570 P.;  19 cm 
<br/><br/>Includes bibliographical reference and index. 
<br/><br/><label>ISBN: </label>984-300-001422-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research -- Methodology.
<br/><br/><label>Dewey Class. No.: </label>001.42	  / ISI