13.6 Heimildir

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Kaplan, R. S., & Norton, D. P. (2004). Strategy maps: Converting intangible assets into tangible outcomes. Harvard Business Review Press.

Hosist. (2022). Guide to restaurant KPI metrics. Retrieved fram https://www.posist.com

Silverman, M. (2011). Revenue management for the hospitality industry. John Wiley & Sonar.

Walker, J. R. (2021). Introduction to hospitality. Pearson.