Azzahra BS. Mengoptimalkan Pendapatan Hotel Melalui Tactical Upselling Dan Digital Pre-Check In Pada Lonjakan Permintaan Event GBK/JCC Pada Suatu Hotel Di Jakarta Selatan. Neraca [Internet]. 2026 Jul. 29 [cited 2026 Aug. 8];4(3):209-16. Available from: https://jurnal.kolibi.id/index.php/neraca/article/view/668