HELLER, K., & ET AL. (1997). USE OF DUAL COMMUNICATION BOARDS AT VOCATIONAL SITES BY STUDENTS WHO ARE DEAF-BLIND.
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Dyfyniad Arddull Chicago
HELLER, K.W, and ET AL. USE OF DUAL COMMUNICATION BOARDS AT VOCATIONAL SITES BY STUDENTS WHO ARE DEAF-BLIND. 1997.
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Dyfyniad MLA
HELLER, K.W, and ET AL. USE OF DUAL COMMUNICATION BOARDS AT VOCATIONAL SITES BY STUDENTS WHO ARE DEAF-BLIND. 1997.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.