MODELING AND EVOLUTIONARY AND COMPARATIVE ANALYSIS OF ACCESS AND COVERAGE INDICATORS IN NIGER’S EDUCATION SECTOR FROM PRIMARY TO SECONDARY 1 AND 2 UNDER THE DHIS2 PLATFORM: CASE OF COMMUNES IN THE REGIONS OF AGADEZ AND TAHOUA OVER THE PERIOD 2018 TO 2. int. J. Eng. Res. Sci. Tech. 2024;20(3):119-130. Accessed October 24, 2026. https://ijerst.org/index.php/ijerst/article/view/400