Saif، A. D. A. (2024). The Role of Activity-Based Teaching on Academic Achievement and Motivation of Secondary School Students in Najran District. مجلة العلوم التربوية والدراسات الإنسانية، ع43 ، 935 - 949. مسترجع من http://search.mandumah.com/Record/1553637
Saif، Abdulsalam Dale Amer. "The Role of Activity-Based Teaching On Academic Achievement and Motivation of Secondary School Students in Najran District." مجلة العلوم التربوية والدراسات الإنسانية ع43 (2024): 935 - 949. مسترجع من http://search.mandumah.com/Record/1553637