00504nam a22001937a 4500 20929 20929 OSt 190308b ||||| |||| 00| 0 eng d 0706976231 025.431 D38W Dhyani, Pushpa. Working with Dewey Decimal Classification New Delhi Vishal Publishing House 1994 vii,169p. Knowledge Library and Information Sciences Classification DDC ddc BK 0 0 ddc 0 0 RAU RAU 1995-08-08 UBSPD Patna 250.00 0 025.431 D38W 45121 2019-03-08 2019-03-08 BK