TY  - BOOK
AU  - Dinakar,P
AU  - Amradha, R.V.
AU  - Vijaya Bharathi, D. 
TI  - Proficiency in english
SN  - 9788194328469
U1  - E 425 23rd ed. 
PY  - 2019///
CY  - Hyderabad
PB  - Neelkamal Publications
KW  - English language
KW  - Grammatical study and teaching
KW  - Grammar and standard English
KW  - Conversation
N1  - Includes bibliographical references and index
ER  -