TY  - BOOK
AU  - DAS, LAKHYAHIRA .
AU  - DAS, LAKHYAHIRA .,
TI  - SAMPURNA SIKHYA
U1  - 370 DAS 
PY  - 1987///
CY  - GUWAHATI
PB  - AMRITA PRAKASHAN
KW  - Education
ER  -