Hadley, Pamela A Facilitating Language Development for Inner-City Children: Experimental Evaluation of a Collaborative, Classroom-Based Intervention. [electronic resource] - Language, speech, and hearing services in schools Jul 2000 - 280-295 p. digital Publication Type: Journal Article ISSN: 1558-9129 Standard No.: 10.1044/0161-1461.3103.280 doi