Sehgal, R.L.
Number building : in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification - New Delhi Ess Ess 1993 - various paging
81-7000-153-6
CLASSIFICATION-BOOKS
CLASSIFICATION, DEWEY DECIMAL
CLASSIFICATION, UNIVERSAL DECIMAL
025 / S4
Number building : in Dewey Decimal Classification, Universal Decimal Classification and Colon Classification - New Delhi Ess Ess 1993 - various paging
81-7000-153-6
CLASSIFICATION-BOOKS
CLASSIFICATION, DEWEY DECIMAL
CLASSIFICATION, UNIVERSAL DECIMAL
025 / S4