ASLANOVA, Ulduz. Methods of Teaching German at the A1 Level to Students with Heterogeneous Proficiency Levels in Higher Education Institutions. Porta Universorum, [S. l.], v. 2, n. 3, p. 43–56, 2026. DOI: 10.69760/portuni.26030005. Disponível em: https://egarp.lt/index.php/JPURM/article/view/517.. Acesso em: 11 mar. 2026.