TY  - BOOK
AU  - Mani, K Ratna Shiela
AU  - Prasad, M Hari 
AU  - Narayana, T. 
TI  - English Portal
SN  - 978-93-84361-39-6
U1  - 485 
PY  - 2018///
CY  - Andhra Pradesh
PB  - Ravindra Publishing House
ER  -