6Plant G, Westcott S. The PLOTT Test. Sydney: N. A. L, 1983.
7Plant G, Moore A. The PLOTT Screening Test and The PLOTT Sentence Test. Sydney: N. A. L, 1993.
8Plant G. COMMTRAM: A communication training program for profoundly deaf adults. Somerville, MA: Hearing Rehabilitation Foundation, 1984.
9Marta E, Lopes A, Neves F, et al. AudiSpeech-A speech audiometry system for assessment and rehabilitation of severe to profoundly hearing-impaired patient. Manz Wien: Advanced in Cochlear Implatn,1994. 578-583.
