Ahmed Rostom, N. (2023). 'The effectiveness of using the strategy of mental maps in identifying and overcoming instrumental techniques through the studies of Carl Czerny Op.849 for students of the piano', مجلة البحوث في مجالات التربية النوعية, 9(47), pp. 411-458. doi: 10.21608/jedu.2023.220194.1900