Anggraeni, Diana, Donal Fernado Lubis, and Dini Wulansari. “SPEECH PRODUCTION IN ENGLISH BY STUDENTS WITH HEARING IMPAIRMENT: AN ACOUSTIC PHONETIC APPROACH”. Lire Journal (Journal of Linguistics and Literature) 7, no. 1 (May 17, 2023): 56–71. Accessed August 17, 2025. https://jurnalsastraubb.id/index.php/elit/article/view/182.