Freeman, G. G. (1977). Speech and language services and the classroom teacher. National Support Systems Project.
Chicago-viite (17. p.)Freeman, Gerald G. Speech and Language Services and the Classroom Teacher. Minneapolis, Minn.: National Support Systems Project, 1977.
MLA-viite (8. p.)Freeman, Gerald G. Speech and Language Services and the Classroom Teacher. National Support Systems Project, 1977.
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