M. Rivaldi, S. Baa, P. R. Ali, N. Bakri, and R. Mariana, “Consistency in Price, Portion, and Service: A Qualitative Case Study of Business Innovation and Resilience in a Family-Run Food Stall in Makassar, Indonesia”, ijmst, vol. 4, no. 3, pp. 8355–8364, Sep. 2026.