Humeniuk I, Humeniuk M. The Criterion and Level Aspect of the Experimental Research into the Effectiveness of the Methodical System of Teaching Ukrainian Language for Professional Purposes. jpnu [Internet]. 2024 Mar. 31 [cited 2024 Nov. 21];11(1):138-46. Available from: https://ktipe.pnu.edu.ua/index.php/jpnu/article/view/7845