Nabiyeva Nozima Odinajan kizi, Haydarov Islamjan Hatamjan ogli. “STAGES OF DEVELOPMENT OF SOUND AMPLIFIERS FOR PERSONS WITH HEARING IMPAIRMENT”. Confrencea 3, no. 03 (March 30, 2023): 254–257. Accessed May 3, 2024. https://confrencea.org/index.php/confrenceas/article/view/505.