SIHOMBING, T. Implementation Effectiveness of Circular Economy Practices on Medical Devices Industry of Indonesia: A Case Study of PT Kimia Farma Tbk and PT Kalbe Farma Tbk (2020-2022). ProBisnis : Jurnal Manajemen, [S. l.], v. 17, n. 4, p. 2691–2697, 2026. Disponível em: https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/1514. Acesso em: 2 oct. 2026.