Varnavska, L., Viktorova, M., & Serhieieva, V. (2023). METODICAL PRINCIPLES AND METHODS OF FORMATION OF SINGING SKILLS OF PRESCHOOL CHILDREN. SWorld-Ger Conference Proceedings, (gec25-01), 104–112. https://doi.org/10.30890/2709-1783.2023-25-01-017