1.
Perevoshchikova NK, Seliverstov IA, Shebalina AO, et al. PREVALENCE AND PREDICTORS OF TRANSFORMATION IN EXTRACURRICULAR EDUCATION PATTERNS AMONG FIRST-GRADE STUDENTS: A POPULATION-BASED STUDY. МиД. 2026;(3). Accessed September 4, 2026. https://mednauki.ru/index.php/MD/article/view/1515