Kruchinin, Vladimir. “A STUDY OF TOUCHING POSSIBILITIES OF BLIND PRIMARY SCHOOL CHILDREN TO IDENTIFY THE SHAPE, SIZE AND TEXTURE OF SURFACE OF OBJECTS”. Education in the 21st Century 7, no. 1 (July 21, 2022): 136–142. Accessed November 21, 2024. https://journals.ysu.am/index.php/Educ-21st-Century/article/view/8173.