M. F. B. Calderon, D. E. Cristerna, A. S. S. Zozoaga, and M. A. M. V. Munoz, “Qualitative Approach for the Design Stage of a Performance Measurement System to Increase Gross Profit in Restaurants. Case Study: Hard Rock Cafe Mexico Restaurants”, ESJ, vol. 18, no. 19, p. 58, Jun. 2022.