Prakashan Avam Suchana Nideshalya.New Delhi. <br/><br/>
Bharat Ki Sampada Prakrutik Padhariha 4Th Kh.P 

 - 1st Ed. 
 -  Vidnyanic Av Audogik Anusandhan Parishad Nayi Delhi  1976 
 - XXXI, 384p.  22 cm. 
<br/><br/><br/>Text in English 
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