Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleComparison of Two Computerized Speech Training Systems: Speech Viewer and ISTRA.AuthorsRyalls, JohnPublicationJournal of Speech-Language Pathology & Audiology, 1989, Vol 13, Issue 3, p55ISSN0848-1970Publication typeArticle