The Importance of the Development of Vestibular Apparatus for the Formation of Oral Speech for Hearing-Impaired Children Using Verbotonal Method. Fiz. vihov. sport kul’t. zdor. suchas. susp. 2018, No. 3 (43), 49-55. https://doi.org/10.29038/2220-7481-2018-03-49-55.