Helwa، H. S. A. A. (2016). Using Some Web Based Social Learning Applications for Developing EFL Secondary Stage Students' Writing Skills and Self-Esteem. مجلة كلية التربية، مج27, ع107 ، 1 - 50. مسترجع من http://search.mandumah.com/Record/789620
Helwa، Hasnaa Sabry Abdel-Hamid Ahmed. "Using Some Web Based Social Learning Applications for Developing EFL Secondary Stage Students' Writing Skills and Self-Esteem." مجلة كلية التربية مج27, ع107 (2016): 1 - 50. مسترجع من http://search.mandumah.com/Record/789620