National Council of Educational Research and Training (India <br/><br/>
Rekhaganit: madhyamik schoolon ke liye Ganit; bhag 1/ 

 - New Delhi:  NCERT,  1967 
 - vi, 102 
<br/><br/><label>Source: </label> 45704-04-2018 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classroom Management