Classification and communication
Ranganathan, S R
Classification and communication - Delhi: University of Delhi, 1951 - 290p. - Delhi university publication library science series 3 .
Library science
Classification of sciences Communication
D 025.4 / J1
Classification and communication - Delhi: University of Delhi, 1951 - 290p. - Delhi university publication library science series 3 .
Library science
Classification of sciences Communication
D 025.4 / J1