El-Sherif, M. (2017). SILICA ADDED VALUE & APPLICATION IN SOLAR CELLS MANUFACTURING. test, 56(1), 37-30.
Mahmoud El-Sherif. "SILICA ADDED VALUE & APPLICATION IN SOLAR CELLS MANUFACTURING". test, 56, 1, 2017, 37-30.
El-Sherif, M. (2017). 'SILICA ADDED VALUE & APPLICATION IN SOLAR CELLS MANUFACTURING', test, 56(1), pp. 37-30.
El-Sherif, M. SILICA ADDED VALUE & APPLICATION IN SOLAR CELLS MANUFACTURING. test, 2017; 56(1): 37-30.