TY  - BOOK
AU  - "Leffingwell,Dean"
AU  - " Widrig,Don"
TI  - Managing Software Requirements : A Use Case Approach
SN  - 81-2317-1179-X
PY  - 2007///
PB  - "Pearson,"
KW  - Software
KW  - Information Technology
N1  - TRANSFERED
ER  -