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Dyfyniad Arddull ChicagoRaman, A. Science and Technology in India. New Delhi: Indian Council for cultural relations, 1973.
Dyfyniad MLARaman, A. Science and Technology in India. Indian Council for cultural relations, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.