Ystadegaeth ragarweiniol.
By: gan F. D. J. Dunstan ac eraill.
Contributors: Dunstan, F. D. J.
Series: Cyfres Cambria
Publisher: Canolfan Adnoddau Coleg y Brifysgol
Published: 1984
Place of publication: Aberystwyth
Language: wel
Number of pages: 200
Work titles: Introductory statistics. Welsh. Volume 1.
Notes: Includes index.