Serhiienko, Tetiana, і Olena Lysenko. «The Problem-Based Method As a Modern Means of Teaching English: From the Experience of Forming the English Language Communicative Competence in Students of Ukrainian Foreign Languages Higher Education Institutions». Імідж сучасного педагога, no. 3(210) (Червень 14, 2023): 83–88. дата звернення Травень 21, 2025. https://isp.pano.pl.ua/article/view/278344.