TY  - GEN
TI  - A. Conceptual Modeling B.Logical Modelling (Book-II)
T2  - BLOCK II
SN  - 0335140017
SN  - 033514001
U1  - 005.74 
PY  - 1980///
CY  - The Open University Press
PB  - Keynes
KW  - Mathematics: A Third Level Course
N1  - Conceptual Modeling (Page-6), Logical Modeling (Page-67)
ER  -