TY  - BOOK
AU  - K. Balasubramaniyan
AU  - S.Usha Priya
AU  - K. Hema
TI  - Essence of enterprise resource planning: textbook and life time reference book 
U1  - 658.4012 
PY  - 2007///
CY  - Trichy
PB  - Learntech Press
ER  -