Upadhaya, J. L. (2004). Information retrieval and digital libraries. Darya Ganj, New Delhi: Shree.
Παραπομπή Chicago StyleUpadhaya, J. L. Information Retrieval and Digital Libraries. Darya Ganj, New Delhi: Shree, 2004.
Παραπομπή MLAUpadhaya, J. L. Information Retrieval and Digital Libraries. Darya Ganj, New Delhi: Shree, 2004.
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