List of Articles عوامل آموزشگاهی Open Access Article Abstract Page Full-Text 1 - Development of differential equation of school factors affecting performance in the fourth grade TIMSS 2019 exam in high and low performance students asieh zianejad shirazi nadereh sohrabi sheghefti maryam koroshnia hossein bagholi soltanali kazemi 10.30495/jedu.2023.30194.6044