Малихіна СВ. Psycho-pedagogical analys is of the formation of concepts learning and cognitive activity of students as the basis for the didactic intensification (retrospective review: XVII – beginning of XX century). EducDim [Internet]. 2012 Sep. 13 [cited 2024 Nov. 23];36:652-60. Available from: https://journal.kdpu.edu.ua/ped/article/view/3498