Citation: S. Smithgray et Ls. Koester, DEFINING AND OBSERVING SOCIAL SIGNALS IN DEAF AND HEARING INFANTS, American annals of the deaf, 140(5), 1995, pp. 422-427
Citation: Kp. Meadoworlans et al., INFANTS WHO ARE DEAF OR HARD-OF-HEARING, WITH AND WITHOUT PHYSICAL COGNITIVE DISABILITIES, American annals of the deaf, 140(3), 1995, pp. 279-286