Marinov, S. Organizational and Economic Aspects of the Hotel SPA Centre. Blagoevgrad: SWU Neofit Rilski Publ. House, 2014 pp. 106-110, ISBN 978-954-680-954-4.
Marinov, S. Organizational and Economic Aspects of the Hotel SPA Centre. Blagoevgrad: SWU Neofit Rilski Publ. House, 2014 pp. 106-110, ISBN 978-954-680-954-4.
Marinov, S. (2014) Organizational and Economic Aspects of the Hotel SPA Centre, Blagoevgrad: SWU Neofit Rilski Publ. House pp. 106-110, ISBN 978-954-680-954-4.
Marinov, S. (2014). Organizational and Economic Aspects of the Hotel SPA Centre. Blagoevgrad: SWU Neofit Rilski Publ. House, pp. 106-110.
Marinov S. Organizational and Economic Aspects of the Hotel SPA Centre. Blagoevgrad: SWU Neofit Rilski Publ. House; 2014. p. pp. 106-110. ISBN: ISBN 978-954-680-954-4.