List of Articles سامانه شاد Open Access Article Abstract Page Full-Text 1 - Understanding the effective factors of virtual education in “Shad” system (students' educational network) on the performance of students in the Corona era Parviz Sobhani Yaghoob Ahmadi Nahideh Hussein panahi Fatemeh Felegari 10.30495/ee.2023.1988696.1182