ANALISIS DIFERENSIAL DALAM MENENTUKAN KETEPATAN  KEPUTUSAN MAKE OR BUY. Accounting Studies and Tax Journal (COUNT), [S. l.], v. 2, n. 9, p. 734–743, 2025. DOI: 10.62207/7byj2685. Disponível em: https://journal.ppipbr.com/index.php/count/article/view/869.. Acesso em: 23 jan. 2026.