Innovations in the Bulgarian Classification System of the Hospitality Industry. Sofia: St. Kl. Ohridski Univ. Press, 2017 pp. 120 - 129, ISBN 978-954-07-4327-1.
Innovations in the Bulgarian Classification System of the Hospitality Industry. Sofia: St. Kl. Ohridski Univ. Press, 2017 pp. 120 - 129, ISBN 978-954-07-4327-1.
(2017) Innovations in the Bulgarian Classification System of the Hospitality Industry, Sofia: St. Kl. Ohridski Univ. Press pp. 120 - 129, ISBN 978-954-07-4327-1.
(2017). Innovations in the Bulgarian Classification System of the Hospitality Industry. Sofia: St. Kl. Ohridski Univ. Press, pp. 120 - 129.
Innovations in the Bulgarian Classification System of the Hospitality Industry. Sofia: St. Kl. Ohridski Univ. Press; 2017. p. pp. 120 - 129. ISBN: ISBN 978-954-07-4327-1.
