UDAYA KUMAR, L. M; NIRMALA, J. Operational Efficiency through Activity-Based Ratios: A Comparative Analysis of Nifty Metal Index Listed Companies. International Journal of Management and Development Studies, [S. l.], v. 15, n. 7, p. 21–28, 2026. DOI: 10.53983/ijmds.v15n07.003. Disponível em: https://www.ijmds.in/index.php/IJMDS/article/view/113. Acesso em: 2 aug. 2026.