TY  - BOOK
AU  - B SENGUPTA, A K OHDEDAR
TI  - LIBRARY CLASSFICATION
U1  - TR 025.4 SE 56 
PY  - 1971///
CY  - CALCUTTA
PB  - THE WORLD PRESS PRIVATE LTD
KW  - LIBRARY SCIENCE
N1  - MODERN BOOK HOUSE, JABALPUR
ER  -