Vann, Roberta Jeanne A study of the relationship of the oral and written English of adult Arabic speakers [Texte imprimé] / Roberta Jeanne Vann - Ann Arbor: University Microfilms International, 1987 - VII-115 p. ; 22 cm Th.:Ling.:, Indiana University:1978 Th. : Ling. : Indianapolis, Indiana University : 1978 Bibliogr. p. 95-104 Dewey Class. No.: 428.241