HADI MAHDI, Zainab. Implement differentiation strategy By Using Sustainable Costs Management Techniques (Applied study). Indonesian Journal of Humanities and Social Sciences, [S. l.], v. 5, n. 1, p. 89–100, 2024. DOI: 10.33367/ijhass.v5i1.4529. Disponível em: https://ejournal.uit-lirboyo.ac.id/index.php/IJHSS/article/view/4529. Acesso em: 1 feb. 2026.