Colon classification
Ranganathan, S R
Colon classification - 6th. ed. - Bangalore Sarada Ranganathan Endowment for Library Science 2000 - v. p.
025.435 R162C
Colon classification - 6th. ed. - Bangalore Sarada Ranganathan Endowment for Library Science 2000 - v. p.
025.435 R162C