Singh A K <br/><br/>
Tests, Measurements and Research Methods in Behavioural Sciences 

 -  Bharati Bhawan publishers,New delhi  2019 
<br/><br/><label>ISBN: </label>978-93-88704-09-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>9f Q19