Vigyan shikshashastra:  Bhoutik vigyan: Bed. patthyekram ke liye patthyepustak, Bhag- 1 [hindi] 
by NCERT 
 - New Delhi, India  National Council of Educational Research and Training  2013 
 - xviii, 327p. 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BHOUTIK VIGYAN- VIGYAN SHIKSHASHASTRA
<br/><br/><label>Dewey Class. No.: </label>507 NCE