TY  - GEN
AU  - Abraham, S.
AU  - John, C.T.
AU  - Kochummen, C.
TI  - Text book of mathematics V.1 algebra and trigonometry
U1  - 510 JOH 
CY  - Thiruvallam, Chithra press
KW  - Algebra/ trigonometry/ calculas
ER  -