Nautiyal, K. (1989). Protohistoric India. Agam Kala Prakashan.
Tohutoru Kātū Chicago (17th ed.)Nautiyal, K.P. Protohistoric India. Delhi: Agam Kala Prakashan, 1989.
Tohutoro MLA (9th ed.)Nautiyal, K.P. Protohistoric India. Agam Kala Prakashan, 1989.
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