Riska Veronika, Nila Sartika Achmadi and Dewi Andriani (2024) “The Implementation of Waiters And Waitresses’ Upselling Techniques At Ticket’s Cafe of Horison Ultima Makassar Hotel”, Pusaka : Journal of Tourism, Hospitality, Travel and Business Event, 2(1), pp. 59–65. doi: 10.33649/pusaka.v2i1.41.