Safarov, B. N. “PIRLS - XALQARO OʻQISH SAVODXONLIGINI OʻRGANISH BOʻYICHA TARAQQIYOT”. Innovative Development in Educational Activities, vol. 1, no. 5, Nov. 2022, pp. 134-8, https://openidea.uz/index.php/idea/article/view/248.