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Dyfyniad Arddull ChicagoNigam, J.K. Indian Science: Era of Stabilisation. New Delhi: Willey eastern, 1990.
Dyfyniad MLANigam, J.K. Indian Science: Era of Stabilisation. Willey eastern, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.