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Dyfyniad Arddull ChicagoRagothaman, G., and R. K. Trivedy. Aquatic Ecology: A Text Book. Jodhpur: Agrobios (India), 2002.
Dyfyniad MLARagothaman, G., and R. K. Trivedy. Aquatic Ecology: A Text Book. Agrobios (India), 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.