Supayeva Aziza Nuralli qizi. THE ROLE OF PISA, PIRLS, TIMSS IN EVALUATION OF QUALITY OF BIOLOGY COURSES ON THE BASIS OF INTERNATIONAL EDUCATIONAL PROGRAMS. IJRD [Internet]. 2022 Mar. 18 [cited 2024 May 15];7(3):66-8. Available from: http://www.eprajournals.net/index.php/IJRD/article/view/180