B. Budiman, A. Maulana, and R. Ramadhan Keman, “Analisis Perbandingan Metode Biaya Tradisional dan Metode Activity Based Costing Dalam Perhitungan Food Cost di Hotel Batiqa Pekanbaru”, jptam, vol. 5, no. 2, pp. 3952–3957, Aug. 2021.