बिरहोर जनजाति के कल्याणार्थ कतिपय सरकारी कार्यक्रमों का एक ऐतिहासिक विवेचन: A Historical Analysis of Government Programs for the Welfare of the Birhor Tribe. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 15, n. 7, p. 669–672, 2018. Disponível em: https://ignited.in/index.php/jasrae/article/view/8764.. Acesso em: 20 sep. 2024.