KO KNOWLEDGE ORGANIZATION / Ranganathan, S. R.: Colon Classification Edition 7 (Basic and Depth Version). Vol 1 Schedules for Classification (M. P. Satija)
KO KNOWLEDGE ORGANIZATION / Ranganathan, S. R.: Colon Classification Edition 7 (Basic and Depth Version). Vol 1 Schedules for Classification (M. P. Satija)
