MARCINIAK-FIRADZA R. Competencies of a deaf educator and deaf speech and language therapist in the diagnostic and therapeutic process of a child with hearing impairment. ikps [Internet]. 2019 Jun. 15 [cited 2024 Dec. 5];(25):297-331. Available from: https://pressto.amu.edu.pl/index.php/ikps/article/view/21121