Martusa, Riki, and Yoanes Dicky. “Penerapan Activity Based Costing (ABC) System Dalam Penghitungan Profitabilitas Produk”. Jurnal Akuntansi 3, no. 1 (January 24, 2012). Accessed June 15, 2025. http://114.7.153.31/index.php/jam/article/view/361.