Watkins, L T <br/><br/>
Effects of video based training on spoken and signed language acquisition by students with mental retardation.  [electronic resource] 

 -  Research in developmental disabilities  1990 
 - 273-88 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0891-4222 
<br/><br/><label>Standard No.: </label>10.1016/0891-4222(90)90013-x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Audiovisual Aids<br/>Child<br/>Child, Preschool<br/>Curriculum<br/>Education of Persons with Intellectual Disabilities<br/>Female<br/>Humans<br/>Language Development Disorders--therapy<br/>Male<br/>Manual Communication<br/>Sign Language<br/>Speech Therapy<br/>Vocabulary