An introduction to universal decimal classification
Sehgal , R.L.
An introduction to universal decimal classification - Ess Ess New Delhi 1994 - x,266 p. 23 cm.
8170001668
UDC
LIBRARY INFORMATION SCIENCE
CLASSIFICATION SYSTEMS
UNIVERSAL DECIMAL CLASSIFICATION
025.432 / SEH
An introduction to universal decimal classification - Ess Ess New Delhi 1994 - x,266 p. 23 cm.
8170001668
UDC
LIBRARY INFORMATION SCIENCE
CLASSIFICATION SYSTEMS
UNIVERSAL DECIMAL CLASSIFICATION
025.432 / SEH