Research, principles, and practices in visual communication
| Egile Nagusiak: | , , |
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| Erakunde egilea: | |
| Formatua: | Liburua |
| Hizkuntza: | ingelesa |
| Argitaratua: |
Washington, D.C.
Department of Audiovisual Instruction National Education Association
c1960.
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| Gaiak: |