ENVIRONMENT. TECHNOLOGY. RESOURCES
15th International Scientific and Practical Conference. June 27-28, 2024, ''Vasil Levski'' National Military University, Veliko Tarnovo, Bulgaria
Klyueva, Elena, <p class="R-AuthorsNames">Faculty of preschool and primary education, Lobachevsky State University of Nizhny Novgorod (Arzamas Branch).</p>, Russian Federation