Кікавський І, Василенко Л. SCIENTIFIC APPROACHES TO THE DEVELOPMENT OF VOCAL SKILLS IN ADOLESCENT STUDENTS IN MUSIC ART LESSONS IN SECONDARY EDUCATION INSTITUTIONS. SWJ [Internet]. 2022Jan.30 [cited 2024May7];6(11-06):53-6. Available from: https://sworldjournal.com/index.php/swj/article/view/swj11-06-115