Kim I. The effect of birth order on the academic performance of Pre-university students at Westminster International University in Tashkent. ESU [Интернет]. 10 октябрь 2021 г. [цитируется по 23 апрель 2024 г.];:18-1. доступно на: https://econ-law.euroasia-science.ru/index.php/Euroasia/article/view/750