SETYAWAN, S.; HARIANTO , E. . Operational Innovation Design Using The Blue Ocean Strategy Approach To Increase Project Production Cost Efficiency At PT. Kiabadi Jaya Fasadindo. Eduvest - Journal of Universal Studies, [S. l.], v. 5, n. 11, p. 13531–13543, 2025. DOI: 10.59188/eduvest.v5i11.51980. Disponível em: https://eduvest.greenvest.co.id/index.php/edv/article/view/51980. Acesso em: 14 nov. 2025.