samee chechan, M. (2010). Difficulties faced by teachers teaching physics in secondary school and proposals for treatment in Libya. , 0(43), 621-633.
muhanad samee chechan. "Difficulties faced by teachers teaching physics in secondary school and proposals for treatment in Libya". , 0, 43, 2010, 621-633.
samee chechan, M. (2010). 'Difficulties faced by teachers teaching physics in secondary school and proposals for treatment in Libya', , 0(43), pp. 621-633.
samee chechan, M. Difficulties faced by teachers teaching physics in secondary school and proposals for treatment in Libya. , 2010; 0(43): 621-633.


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