TY - JOUR AU - zianejad shirazi, asieh AU - sohrabi sheghefti, nadereh AU - koroshnia, maryam AU - bagholi, hossein AU - kazemi, soltanali TI - Development of differential equation of school factors affecting performance in the fourth grade TIMSS 2019 exam in high and low performance students JO - Journal of New Approaches in Educational Administration VL - 13 IS - 6 SP - 143 EP - 154 PY - 2023 DO - 10.30495/jedu.2023.30194.6044 ER -