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https://cyfnewidfaarferda.cymru/2013/11/21/beth-ydych-chin-ei-ddweud-go-iawn-sicrhau-trosolwg-a-chraffu-effeithiol-trwy-wrando-gweithredol/
Beth ydych chi’n ei ddweud go iawn?” - Sicrhau trosolwg a chraffu effeithiol trwy wrando gweithredol