TY  - BOOK
AU  - Sankhala, D.P
TI  - Teaching of mathmatics in secondary school
SN  - 9788184351248
U1  - 510.71241 
PY  - 2009///
CY  - New Delhi
PB  - Adhyayan Publishers & Distributors
N1  - Includes bibliographical references and index
ER  -