Abdullayev, I. K. ., and S. . Abdurakhmanova. “APPLICATION OF THE INTERNATIONAL KNOWLEDGE ASSESSMENT SYSTEM IN THE PISA FORMAT ON THE TOPIC ‘ALI KUSHCHI AND HIS GEOGRAPHICAL HERITAGE’”. Journal of Geography and Natural Resources, vol. 5, no. 02, Apr. 2025, pp. 66-71, doi:10.37547/supsci-jgnr-05-02-10 .