Kuzembekova Ж, Demesinova Ж. Evaluation of the possibilities of implementation of the American OPI test system and the determination of its effectiveness for the Kazakh language pronunciation subtest. phil [Internet]. 2025 Mar. 30 [cited 2025 Apr. 3];150(1):250-9. Available from: https://bulphil.enu.kz/index.php/main/article/view/926