Al Hussein، A. R. H. M. (2016). A Suggested Programme for Teacher Professional Development for Secondary Schools' Teachers in Khartoum State. مجلة دراسات تربوية، ع5 ، 57 - 103. مسترجع من http://search.mandumah.com/Record/808041
Al Hussein، Al Rasheed Habboub Mohammed. "A Suggested Programme for Teacher Professional Development for Secondary Schools' Teachers in Khartoum State." مجلة دراسات تربوية ع5 (2016): 57 - 103. مسترجع من http://search.mandumah.com/Record/808041