Gupta V P <br/><br/>
Ganit: Prathmik kakshaon ke liye, Pustak 4 
NCERT (Delhi India) 
 - Delhi, India  NCERT   1989 
 - 243p 
<br/><br/><br/>Acc. No. 84309 is MACESE and 90463 is CSEC library 
<br/><br/><label>Source: </label>Textual