Irgasheva Marjona Marat qizi, Hayitova Feruza, D.N.Xayrullayeva. TA’LIM TIZIMI SIFATINI OSHIRISHDA PISA VA TIMSS KABI XALQARO TADQIQOTLARNING ROLI. scientific [Internet]. 2024 Mar. 31 [cited 2024 Nov. 27];54(3):31-4. Available from: https://pedagogs.uz/ped/article/view/1032