TY  - BOOK
AU  - Joshi,D.D.
AU  - Teawari,U.B.
TI  - Mathematics: A Textbook for Class XII, Part I 
AV  - QA11.2 .J673 1994
PY  - 1994///
CY  - New Delhi
PB  - National Council of Educational Research and training
ER  -