احمد, �. (2011). ﺃﻭﻟﻮﻳﺔ ﺍﳊﻔﺎﻅ ﻋﻠﻰ ﺍﻟﻜﻴﺎﻥ ﺍﻟﺸﻤﺴﻲ: ﺍﳌﻔﻬﻮﻡ ﻭﺍﳌﻐﺰﻯ ﺍﳌﻨﺸﻮﺩ. EKB Journal Management System, 61(65), 1-25. doi: 10.21608/bfalex.2011.153468

حنان احمد. "ﺃﻭﻟﻮﻳﺔ ﺍﳊﻔﺎﻅ ﻋﻠﻰ ﺍﻟﻜﻴﺎﻥ ﺍﻟﺸﻤﺴﻲ: ﺍﳌﻔﻬﻮﻡ ﻭﺍﳌﻐﺰﻯ ﺍﳌﻨﺸﻮﺩ". EKB Journal Management System, 61, 65, 2011, 1-25. doi: 10.21608/bfalex.2011.153468

احمد, �. (2011). 'ﺃﻭﻟﻮﻳﺔ ﺍﳊﻔﺎﻅ ﻋﻠﻰ ﺍﻟﻜﻴﺎﻥ ﺍﻟﺸﻤﺴﻲ: ﺍﳌﻔﻬﻮﻡ ﻭﺍﳌﻐﺰﻯ ﺍﳌﻨﺸﻮﺩ', EKB Journal Management System, 61(65), pp. 1-25. doi: 10.21608/bfalex.2011.153468

احمد, �. ﺃﻭﻟﻮﻳﺔ ﺍﳊﻔﺎﻅ ﻋﻠﻰ ﺍﻟﻜﻴﺎﻥ ﺍﻟﺸﻤﺴﻲ: ﺍﳌﻔﻬﻮﻡ ﻭﺍﳌﻐﺰﻯ ﺍﳌﻨﺸﻮﺩ. EKB Journal Management System, 2011; 61(65): 1-25. doi: 10.21608/bfalex.2011.153468