M. Nikolić, S. Ostojić Zeljković, A. Jotić, and S. Đoković, “Challenges of adult users of hearing amplification during the Covid -19 pandemic”, Spec Eduk Rehab, vol. 22, no. 3, pp. 243–259, Jul. 2023, doi: 10.5937/specedreh22-41862.