walaa yosry. "The effectiveness of using a learning strategy for mastery in developing the motor rhythm and orientation towards the material for the stumbling students in the first year of the Faculty of Specific Education". مجلة البحوث في مجالات التربية النوعية, 8, 41, 2022, 161-214. doi: 10.21608/jedu.2021.100058.1488