THE PRINCIPLES OF USING THE PROBLEM-RESEARCH METHOD IN THE PROCESS OF LEARNING THE ENGLISH LANGUAGE BY STUDENTS OF HIGHER EDUCATION IN NON-PHILOLOGICAL SPECIALTIES. НаУОА-ФІЛОЛОГІЯ [Internet]. 2024 Oct. 24 [cited 2026 Sep. 24];(22(90):52-4. Available from: https://journals.oa.edu.ua/Philology/article/view/4142