SAMAU, O.; ALEXANDER, S.; MINTALANGI, S. Analisis Sunk Cost Dalam Pengambilan Keputusan Investasi Dan Operasional Pada Toko Gift Bakery Di Ratahan. Indonesian Journal of Economics Management and Accounting, [S. l.], v. 3, n. 10, p. 3040–3045, 2026. Disponível em: https://jurnal.intekom.id/index.php/ijema/article/view/2481. Acesso em: 1 nov. 2026.