Fahruroji D. GROSS OPERATING PROFIT (GOP) ACHIEVEMENT POSITIVE STRATEGY IN THE NEW NORMAL ERA (Case Study at Swiss Belresidences Hotel Kalibata Jakarta): Case Study at Swiss Belresidences Hotel Kalibata Jakarta. Jurnal Penelitian Ilmu Manajemen [Internet]. 13 Juni 2023 [dikutip 24 Juni 2026];8(2):226-37. Tersedia pada: https://jurnalekonomi.unisla.ac.id/index.php/jpim/article/view/1595