TY  - BOOK
AU  - Sobita Devi, Sapam.
TI  - Some contributions to construction of ternary balanced and efficiency balanced incomplete block designs / 
U1  - B28 
PY  - 2012///
CY  - Imphal : 
PB  - Manipur University , 
KW  - Statistics- Ternary balanced- Efficiency balanced
ER  -