TY  - GEN
AU  - MAMMEN MATHEW
TI  - MANORAMA YEARBOOK-2021
U1  - 310.5/MAN 
PB  - MALAYALA MANORAMA
KW  - 300 Social sciences
KW  - 310 Statistics
KW  - 310 Collections of general statistics
KW  - SOCIAL SCIENCE
ER  -