Relevant Cost Analysis in Decision-Making for Custom Orders: A Study of PT Wahana Interfood Nusantara Tbk. Prosperia: Journal of Economic Development, Accounting, and Global Markets, [S. l.], v. 1, n. 4, p. 01–14, 2026. DOI: 10.65310/jq3af871. Disponível em: http://sovereignresearch.org/prosperia/article/view/374. Acesso em: 22 oct. 2026.