INVESTIGATION OF STUDENT ENGAGEMENT IN PHYSICAL TRAINING CLASSES AT SCHOOL Article Osokina E., Le-Van T., Zudin A., Gotskaya A. Revista de Psicologia del Deporte. Sociedad Revista de Psicologia del Deporte. Vol. 29. 2020. P. 193-199
JOURNAL OF THE INDIAN MATHEMATICAL SOCIETY Journal Informatics Publishing Limited and The Indian Mathematical Society.