Sgwrs gyda Dewi Jones o gwmni fferyllol Roche, sy'n byw yn San Francisco. Gari chats to Dewi Jones of pharmaceuticals company Roche, who lives in San Francisco. Show more
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Sgwrs gyda Dewi Jones o gwmni fferyllol Roche, sy'n byw yn San Francisco. Gari chats to Dewi Jones of pharmaceuticals company Roche, who lives in San Francisco. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
