TY  - BOOK
AU  - Singh ,BP
AU  - Dua ,V.K.
AU  - Rajesh ,Singh
TI  - Production of Disease free Quality Planting Material propagated through tubersand Rhizomes
U1  - 581.46 
PY  - 0000///
CY  - Shimla
PB  - Central Potato Research Institute
ER  -