khalil, N. (1991). Problems facing principals / principals of basic education schools in Sohag Governorate. المجلة التربوية لکلية التربية بسوهاج, 6(6), 53-78. doi: 10.21608/edusohag.1991.130882
MLA
nabil khalil. "Problems facing principals / principals of basic education schools in Sohag Governorate". المجلة التربوية لکلية التربية بسوهاج, 6, 6, 1991, 53-78. doi: 10.21608/edusohag.1991.130882
HARVARD
khalil, N. (1991). 'Problems facing principals / principals of basic education schools in Sohag Governorate', المجلة التربوية لکلية التربية بسوهاج, 6(6), pp. 53-78. doi: 10.21608/edusohag.1991.130882
VANCOUVER
khalil, N. Problems facing principals / principals of basic education schools in Sohag Governorate. المجلة التربوية لکلية التربية بسوهاج, 1991; 6(6): 53-78. doi: 10.21608/edusohag.1991.130882