Davidova, Jelena, Galina Zavadska, and Asta Rauduvaitė. “Levels and Indicators for Assessment of Singing Voice of 6–8 Year-Old Children”. Pedagogika / Pedagogy 133, no. 1 (July 13, 2019): 149–160. Accessed April 27, 2024. https://ejournals.vdu.lt/index.php/Pedagogika/article/view/363.