Rydnik V. (1970). Quantum yanthriki pravesika6btr by Mahendrapratap Varma and ed by Nandalal Simha, hin (7th ed.). Hindi prakasan samithi.
শিকাগো স্টাইলে সাইটেশনRydnik V. Quantum Yanthriki Pravesika6btr by Mahendrapratap Varma and Ed by Nandalal Simha, Hin. 7th ed. Hindi prakasan samithi, 1970.
এমএলএ সাইটেশনRydnik V. Quantum Yanthriki Pravesika6btr by Mahendrapratap Varma and Ed by Nandalal Simha, Hin. 7th ed. Hindi prakasan samithi, 1970.
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