Fiki Novia Putri, Teresa Beata Ntala Gratia, Tri Nurul Hikmah, Eki Fahrezi. Analisis Kontribusi Margin Terhadap Perencanaan Penjualan Studi Kasus ISPI Hotel Cikarang. IJEMA [Internet]. 2024 Nov. 27 [cited 2026 Aug. 26];1(11):1306-1. Available from: https://jurnal.intekom.id/index.php/ijema/article/view/909