Zatsepina, Mariya B., Tatyana N. Kriskovets, Viacheslav K. Vorobyev, Larisa V. Kolobova, Natal’ya V. Grigor’eva, Vyacheslav I. Fedulov, y Alla N. Stolyarova. «Educational Tourism: Tribute to Fashion or New Educational Opportunities?». Propósitos y Representaciones 8, no. SPE2 (agosto 13, 2020): e642. Accedido mayo 3, 2024. https://revistas.usil.edu.pe/index.php/pyr/article/view/642.