TY  - BOOK
AU  - "Inst. Of Agric.Res.,Statistics new delhi"
TI  - "Methodology of studying productivity in agriculture,(August 1970), Proceedings of seminar"
U1  - 311:63(063)   L0 
PY  - 0000///New Delhi
CY  - 1970
PB  - ICAR
ER  -