A wnaiff y Prif Weinidog roi'r wybodaeth ddiweddaraf am yr ymchwil a gomisiynodd Llywodraeth Cymru gan Brifysgol Caerdydd ar yr effaith a gaiff Brexit ar fusnesau o ar draws ystod o sectorau economi Cymru?
Wedi'i ateb gan Prif Weinidog | Wedi'i ateb ar 19/01/2018
The Cardiff Business School report on EU Transition is informing the development of our trade policy and will be published in early February alongside our forthcoming trade paper.