आधुनिक विकासात्मक मनोविज्ञान= modern development psychology/ 
आर. एन. सिंह (सम्पा) 
 - Agra  Agrawal Publications  [202?] 
 - xx, 524 p. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9789380510797 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Home Science (Hindi)
<br/><br/><label>Dewey Class. No.: </label>155-ADH L1886-LL1895