Like it! Learn it! Use it? A field study of hotel training / Robert Frash ... [et al.]. - 2010. // The Cornell Hotel and restaurant administration quarterly. Vol. 51 (2010), No. 3
Support for a multi-level evaluation framework in hospitality training / Robert Frash ...[et al.]. - 2008. // Journal of human resources in hospitality and tourism. Vol. 7 (2008), No. 2
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