GREŽOVÁ, Ivana - GREŽO, Henrich. An effort to find a balance between phonetic exercises and language skills in teaching german as a foreign language. In INTED2021 Proceedings. 1st ed. 1 online zdroj [11 000] s. ISBN 978-84-09-27666-0. International technology, education and development conference. Burjassot, Valencia : IATED, 2021, s. 10336-10341.