Tourism in the New Millenium : Collected Papers : International Scientific Conf. 15th Anniversary of the Establishment of the Major of Tourism Faculty of Economics, South-West Univ. of Neofit Rilsky
Kazandzhieva, Velina Ivancheva, Lukanova, Georgina Georgieva Scientific methods and approaches applied in the measurement of productivity in tourism,
Univ. Publ. House Neofit Rilski, 2007, pp. 220-234, ISBN 978-954-680-488-4.
Kazandzhieva, Velina Ivancheva, Lukanova, Georgina Georgieva .
Scientific methods and approaches applied in the measurement of productivity in tourism.
Blagoevgrad: Univ. Publ. House Neofit Rilski, 2007, pp. 220-234, ISBN 978-954-680-488-4.
Kazandzhieva, Velina Ivancheva, Lukanova, Georgina Georgieva (2007)
Scientific methods and approaches applied in the measurement of productivity in tourism,
Blagoevgrad: Univ. Publ. House Neofit Rilski, pp. 220-234, ISBN 978-954-680-488-4
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