RAJA, V.; DEVI, B. A Study on Determination and Implementation of Operation Theatre Management System in a Private Hospital, Trichy: A Six Sigma Approach. INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY, [S. l.], v. 6, n. 3, p. 873–879, 2013. DOI: 10.24297/ijmit.v6i3.726. Disponível em: https://www.rajpub.com/index.php/ijmit/article/view/726. Acesso em: 9 oct. 2025.