Samau, O., Alexander, S. and Mintalangi, S. (2026) “Analisis Sunk Cost Dalam Pengambilan Keputusan Investasi Dan Operasional Pada Toko Gift Bakery Di Ratahan”, Indonesian Journal of Economics Management and Accounting, 3(10), pp. 3040–3045. Available at: https://jurnal.intekom.id/index.php/ijema/article/view/2481 (Accessed: 1 November 2026).