TY  - BOOK
AU  - Greenwood, Ken.
TI  - Sams teach yourself ABAP/4 in 21 days
SN  - 9788131716113
U1  - 650.0285 GRE-K 
PY  - 1999///
CY  - India
PB  - Pearson Education
KW  - R/3 (Computer system)
KW  - ABAP/4 (Computer program language) ﾠ
ER  -