B. K. . Jati, S. . Radiva Assyam, M. Anggraini, K. Elsty, and Rr Christiana Mayang Anggraeni Stj, “MENU ENGINEERING FOR DECISION MAKING IN THE HOSPITALITY INDUSTRY: EVIDENCE FROM SALES AND CONTRIBUTION MARGIN ANALYSIS”, JUPARITA, vol. 4, no. 3, pp. 652–660, Sep. 2026.