TY  - BOOK
AU  -      
AU  - Valavala, Srinivasa Rao 
AU  - Sudhakar, G. V.
AU  - Kumar, P. Ravi
AU  - Tariq, G. Gulam, Ed.
TI  - Skill Pro- I
SN  - 978-93-84361-41-9
U1  - 485 
PY  - 2013///
CY  - Andhra Pradesh
PB  - Maruthi Publications
ER  -