Abdikhadirovna, Utanbayeva Dildora. “The Role of the Pirls International Assessment Program in Improving the Quality-Effectiveness of Primary Education”. Vital Annex: International Journal of Novel Research in Advanced Sciences 2, no. 6 (June 16, 2023): 73–79. Accessed November 5, 2024. https://innosci.org/IJNRAS/article/view/1430.