Maysoon Adel Mansour. "The effect of difference AR mode in a virtual learning environment To develop programming skills The preparatory stage students And their attitudes towards it", المجلة العلمية للجمعية المصرية للکمبيوتر التعليمي, 6, 2, 2018, 321-370. doi: 10.21608/eaec.2018.52821