Grigorieva Elena Ivanovna, Ovsyannikova Vera Alexandrovna, Katz Maria L’vovna, Morozova Ekaterina Alexandrovna, y Scherbinina Valentina Mikhailovna. 2019. «Art-Therapeutic Technologies Based on Musical Folklore, Forwarded to Overcome Psychological Problems». Opción 34 (1), 385-414. https://produccioncientificaluz.org/index.php/opcion/article/view/24145.