Dyakiv, Khrystyna, Maryana Yaremko, y Nataliia Bober. «Communicative Failures of Ukrainian Speakers in Learning German». Amazonia Investiga 11, no. 50 (marzo 10, 2022): 204–214. Accedido diciembre 3, 2025. https://amazoniainvestiga.info/index.php/amazonia/article/view/1919.