Boss, Marion Sutherland. The prevalance of specific learning disabilitis in school-aged hearing impaired children / by Marion Sutherland Boss. - Denton,Texas : North Texas State University, 1985. - 179 p. ; 24 cm. Thesis (Ph. D) - North Texas State University, 1985. p. 165-179 Subjects--Topical Terms: Leraning disabilities.Hearing inipaired children.