Mahmoud Mohammad Sayed abdallah. "A Community of Practice Facilitated by Facebook for Integrating New Online EFL Writing Forms into Assiut University College of Education", المجلة العلمية لکلية التربية جامعة الوادي الجديد, 5, 12, 2013, 581-650. doi: 10.21608/sjsw.2013.227109