Bhatnagar O P <br/><br/>
Vyavharik anusandhan ki vidhi awam parimap 
Vigyanik Tatha Taknik Sabdawali Ayog 
 - Chandigarh, India  Haryana Hindi Granth Akademi  1985 
 - 276p. 
<br/><br/><label>Source: </label>Books to be hide in OPAC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods