A. Y. Trofimov, H. K. Yurchynska, A. M. Lovochkina, N. I. Pohorilska, I. V. Ananova, and O. V. Drobot, “Forming of spontaneity and creativity during playback theater activities”, lingcure, vol. 5, no. S4, pp. 431-441, Oct. 2021.