ШИЙЧУК, О. А. CONCEPTUAL-TECHNOLOGICAL MODEL OF ASSERIVITY IMPROVEMENT OF SECONDARY SHOLARS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Idea, [S. l.], n. 3(11), p. 87–97, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/idea/article/view/729. Acesso em: 11 dec. 2025.