Vetrivel Sezhian, M., Muralidharan, C., & Deshmukh, S. G. (2012). A Conceptual Model to Achieve Operational Excellence in a Public Sector Bus Transport Company: A Research Paper. Prabandhan: Indian Journal of Management, 5(9), 19–26. https://doi.org/10.17010/pijom/2012/v5i9/60251